./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:30:54,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:30:54,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:30:54,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:30:54,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:30:54,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:30:54,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:30:54,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:30:54,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:30:54,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:30:54,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:30:54,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:30:54,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:30:54,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:30:54,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:30:54,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:30:54,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:30:54,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:30:54,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:30:54,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:30:54,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:30:54,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:30:54,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:30:54,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:30:54,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:30:54,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:30:54,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:30:54,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:30:54,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:30:54,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:30:54,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:30:54,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:30:54,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:30:54,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:30:54,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:30:54,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:30:54,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:30:54,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:30:54,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:30:54,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:30:54,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:30:54,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:30:54,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:30:54,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:30:54,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:30:54,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:30:54,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:30:54,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:30:54,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:30:54,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:30:54,378 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:30:54,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:30:54,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:30:54,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:30:54,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:30:54,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:30:54,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:30:54,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:30:54,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:30:54,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:30:54,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:30:54,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:30:54,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:30:54,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:30:54,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:30:54,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:30:54,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:30:54,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:30:54,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:30:54,384 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:30:54,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:30:54,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:30:54,385 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_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac [2022-11-16 12:30:54,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:30:54,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:30:54,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:30:54,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:30:54,695 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:30:54,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 12:30:54,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/data/3e8a86c76/fb6a3423ae654a37a329b71f0a6af945/FLAG58070b867 [2022-11-16 12:30:55,989 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:30:55,990 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 12:30:56,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/data/3e8a86c76/fb6a3423ae654a37a329b71f0a6af945/FLAG58070b867 [2022-11-16 12:30:56,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/data/3e8a86c76/fb6a3423ae654a37a329b71f0a6af945 [2022-11-16 12:30:56,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:30:56,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:30:56,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:30:56,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:30:56,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:30:56,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:56" (1/1) ... [2022-11-16 12:30:56,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3f2449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:56, skipping insertion in model container [2022-11-16 12:30:56,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:56" (1/1) ... [2022-11-16 12:30:56,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:30:56,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:31:07,267 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2022-11-16 12:31:07,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:31:07,535 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:31:08,604 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2022-11-16 12:31:08,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:31:09,056 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:31:09,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09 WrapperNode [2022-11-16 12:31:09,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:31:09,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:31:09,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:31:09,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:31:09,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:09,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:09,774 INFO L138 Inliner]: procedures = 861, calls = 7366, calls flagged for inlining = 377, calls inlined = 281, statements flattened = 14206 [2022-11-16 12:31:09,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:31:09,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:31:09,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:31:09,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:31:09,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:09,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:09,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:09,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:10,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:10,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:10,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:10,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:10,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:31:10,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:31:10,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:31:10,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:31:10,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ... [2022-11-16 12:31:10,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:31:10,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:31:10,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:31:11,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb983a-887c-4ed1-ae8d-7139f6a3e795/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:31:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-16 12:31:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-16 12:31:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-16 12:31:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-16 12:31:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-16 12:31:11,111 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-16 12:31:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-16 12:31:11,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-16 12:31:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-16 12:31:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-16 12:31:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 12:31:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 12:31:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-16 12:31:11,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-16 12:31:11,113 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-16 12:31:11,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-16 12:31:11,113 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-16 12:31:11,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-16 12:31:11,114 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-16 12:31:11,114 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-16 12:31:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-16 12:31:11,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-16 12:31:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-16 12:31:11,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-16 12:31:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-16 12:31:11,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-16 12:31:11,118 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 12:31:11,118 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 12:31:11,118 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update_work [2022-11-16 12:31:11,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update_work [2022-11-16 12:31:11,119 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-16 12:31:11,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-16 12:31:11,119 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-16 12:31:11,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-16 12:31:11,119 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-16 12:31:11,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-16 12:31:11,120 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-16 12:31:11,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-16 12:31:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-16 12:31:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-16 12:31:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-16 12:31:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-16 12:31:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:31:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:31:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-16 12:31:11,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-16 12:31:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-16 12:31:11,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-16 12:31:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-16 12:31:11,139 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-16 12:31:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-16 12:31:11,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-16 12:31:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-16 12:31:11,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-16 12:31:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-16 12:31:11,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-16 12:31:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_led_work [2022-11-16 12:31:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_led_work [2022-11-16 12:31:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-16 12:31:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-16 12:31:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-16 12:31:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-16 12:31:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:31:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:31:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-16 12:31:11,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-16 12:31:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-16 12:31:11,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-16 12:31:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-16 12:31:11,145 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-16 12:31:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-16 12:31:11,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-16 12:31:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-16 12:31:11,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-16 12:31:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-16 12:31:11,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-16 12:31:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:31:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_period_work [2022-11-16 12:31:11,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_period_work [2022-11-16 12:31:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2022-11-16 12:31:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2022-11-16 12:31:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-16 12:31:11,150 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-16 12:31:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-16 12:31:11,150 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-16 12:31:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-16 12:31:11,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-16 12:31:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-16 12:31:11,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-16 12:31:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-16 12:31:11,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-16 12:31:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-16 12:31:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-16 12:31:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-16 12:31:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-16 12:31:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-16 12:31:11,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-16 12:31:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-16 12:31:11,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-16 12:31:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-16 12:31:11,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-16 12:31:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-16 12:31:11,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-16 12:31:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 12:31:11,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 12:31:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-16 12:31:11,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-16 12:31:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:31:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_duty_cycle_work [2022-11-16 12:31:11,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_duty_cycle_work [2022-11-16 12:31:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-11-16 12:31:11,159 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-11-16 12:31:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:31:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-16 12:31:11,160 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-16 12:31:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:31:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:31:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-16 12:31:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-16 12:31:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-16 12:31:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-16 12:31:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 12:31:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 12:31:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-16 12:31:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-16 12:31:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 12:31:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 12:31:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 12:31:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 12:31:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 12:31:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 12:31:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:31:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:31:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-16 12:31:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-16 12:31:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-16 12:31:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-16 12:31:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-16 12:31:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-16 12:31:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 12:31:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 12:31:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:31:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:31:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-16 12:31:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-16 12:31:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-16 12:31:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-16 12:31:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-16 12:31:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-16 12:31:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-16 12:31:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-16 12:31:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:31:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-16 12:31:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-16 12:31:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-16 12:31:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-16 12:31:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-16 12:31:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-16 12:31:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-16 12:31:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-16 12:31:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-16 12:31:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-16 12:31:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-16 12:31:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-16 12:31:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-16 12:31:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-16 12:31:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-16 12:31:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-16 12:31:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:31:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:31:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 12:31:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 12:31:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:31:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:31:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-16 12:31:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-16 12:31:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 12:31:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 12:31:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-16 12:31:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-16 12:31:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:31:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:31:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-16 12:31:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-16 12:31:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-16 12:31:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-16 12:31:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-16 12:31:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-16 12:31:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-16 12:31:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-16 12:31:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2022-11-16 12:31:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2022-11-16 12:31:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-16 12:31:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-16 12:31:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:31:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:31:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:31:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-16 12:31:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-16 12:31:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:31:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 12:31:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 12:31:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-16 12:31:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-16 12:31:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-16 12:31:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-16 12:31:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2022-11-16 12:31:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2022-11-16 12:31:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-16 12:31:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-16 12:31:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 12:31:11,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 12:31:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-16 12:31:11,211 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-16 12:31:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-16 12:31:11,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-16 12:31:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-16 12:31:11,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-16 12:31:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 12:31:11,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 12:31:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 12:31:11,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 12:31:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-16 12:31:11,213 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-16 12:31:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-16 12:31:11,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-16 12:31:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-16 12:31:11,214 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-16 12:31:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2022-11-16 12:31:11,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2022-11-16 12:31:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_wakeup [2022-11-16 12:31:11,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_wakeup [2022-11-16 12:31:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 12:31:11,215 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 12:31:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-16 12:31:11,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-16 12:31:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-16 12:31:11,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-16 12:31:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-16 12:31:11,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-16 12:31:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-16 12:31:11,217 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-16 12:31:11,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:31:11,217 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-16 12:31:11,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-16 12:31:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-16 12:31:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-16 12:31:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:31:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:31:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-16 12:31:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-16 12:31:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-16 12:31:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-16 12:31:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-16 12:31:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-16 12:31:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-16 12:31:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-16 12:31:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-16 12:31:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-16 12:31:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-16 12:31:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-16 12:31:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-16 12:31:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-16 12:31:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ani_work [2022-11-16 12:31:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ani_work [2022-11-16 12:31:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-16 12:31:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-16 12:31:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-16 12:31:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-16 12:31:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-16 12:31:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-16 12:31:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-16 12:31:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-16 12:31:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-16 12:31:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-16 12:31:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-16 12:31:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-16 12:31:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-16 12:31:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-16 12:31:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-16 12:31:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-16 12:31:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:31:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:31:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-16 12:31:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-16 12:31:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-16 12:31:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-16 12:31:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 12:31:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 12:31:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 12:31:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 12:31:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-16 12:31:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-16 12:31:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:31:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:31:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-16 12:31:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-16 12:31:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-16 12:31:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-16 12:31:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-16 12:31:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-16 12:31:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-16 12:31:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-16 12:31:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-16 12:31:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-16 12:31:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-16 12:31:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-16 12:31:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-16 12:31:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-16 12:31:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-16 12:31:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-16 12:31:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-16 12:31:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-16 12:31:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:31:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:31:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-16 12:31:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-16 12:31:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-16 12:31:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-16 12:31:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-16 12:31:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-16 12:31:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-16 12:31:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-16 12:31:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-16 12:31:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-16 12:31:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:31:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-16 12:31:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-16 12:31:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_ps_work [2022-11-16 12:31:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_ps_work [2022-11-16 12:31:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-16 12:31:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-16 12:31:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 12:31:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 12:31:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-16 12:31:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-16 12:31:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-16 12:31:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-16 12:31:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:31:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-16 12:31:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-16 12:31:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 12:31:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 12:31:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:31:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-16 12:31:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-16 12:31:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:31:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:31:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-16 12:31:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-16 12:31:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-16 12:31:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-16 12:31:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 12:31:11,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 12:31:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 12:31:11,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 12:31:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-16 12:31:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-16 12:31:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 12:31:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 12:31:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-16 12:31:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-16 12:31:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-16 12:31:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-16 12:31:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-16 12:31:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-16 12:31:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-16 12:31:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-16 12:31:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-16 12:31:11,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-16 12:31:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-16 12:31:11,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-16 12:31:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-16 12:31:11,262 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-16 12:31:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-16 12:31:11,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-16 12:31:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:31:11,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:31:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-16 12:31:11,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-16 12:31:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-16 12:31:11,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-16 12:31:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-16 12:31:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-16 12:31:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 12:31:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 12:31:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-16 12:31:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-16 12:31:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-16 12:31:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-16 12:31:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-16 12:31:11,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-16 12:31:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 12:31:11,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 12:31:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 12:31:11,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 12:31:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-16 12:31:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-16 12:31:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 12:31:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 12:31:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-16 12:31:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-16 12:31:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-16 12:31:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-16 12:31:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 12:31:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 12:31:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-16 12:31:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-16 12:31:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 12:31:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 12:31:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-16 12:31:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-16 12:31:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:31:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:31:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:31:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 12:31:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 12:31:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-16 12:31:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-16 12:31:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-16 12:31:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-16 12:31:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-16 12:31:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-16 12:31:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-16 12:31:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-16 12:31:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 12:31:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 12:31:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-16 12:31:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-16 12:31:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:31:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:31:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 12:31:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 12:31:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-16 12:31:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-16 12:31:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-16 12:31:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-16 12:31:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-16 12:31:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-16 12:31:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-16 12:31:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-16 12:31:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-16 12:31:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-16 12:31:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-16 12:31:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-16 12:31:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-16 12:31:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-16 12:31:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:31:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-16 12:31:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-16 12:31:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-16 12:31:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-16 12:31:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-16 12:31:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-16 12:31:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-16 12:31:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-16 12:31:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-16 12:31:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-16 12:31:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 12:31:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 12:31:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 12:31:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 12:31:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-16 12:31:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-16 12:31:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-16 12:31:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-16 12:31:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-16 12:31:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-16 12:31:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-16 12:31:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-16 12:31:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_restore [2022-11-16 12:31:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_restore [2022-11-16 12:31:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 12:31:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 12:31:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-16 12:31:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-16 12:31:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-16 12:31:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-16 12:31:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:31:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:31:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-16 12:31:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-16 12:31:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-16 12:31:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-16 12:31:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-16 12:31:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-16 12:31:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 12:31:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 12:31:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-16 12:31:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-16 12:31:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 12:31:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 12:31:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 12:31:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 12:31:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-16 12:31:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-16 12:31:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-16 12:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-16 12:31:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-16 12:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-16 12:31:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-16 12:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-16 12:31:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-16 12:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-16 12:31:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-16 12:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-16 12:31:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 12:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 12:31:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:31:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-16 12:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-16 12:31:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-16 12:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-16 12:31:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-16 12:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-16 12:31:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:31:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-16 12:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-16 12:31:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-16 12:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-16 12:31:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-16 12:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-16 12:31:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_channel_switch_beacon [2022-11-16 12:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_channel_switch_beacon [2022-11-16 12:31:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-16 12:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-16 12:31:13,747 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:31:13,754 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:31:14,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:31:33,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:31:33,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:31:33,685 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:31:33,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:33 BoogieIcfgContainer [2022-11-16 12:31:33,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:31:33,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:31:33,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:31:33,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:31:33,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:30:56" (1/3) ... [2022-11-16 12:31:33,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45445ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:31:33, skipping insertion in model container [2022-11-16 12:31:33,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (2/3) ... [2022-11-16 12:31:33,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45445ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:31:33, skipping insertion in model container [2022-11-16 12:31:33,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:33" (3/3) ... [2022-11-16 12:31:33,717 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 12:31:33,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:31:33,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:31:33,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:31:33,948 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;@7ed277a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:31:33,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:31:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 4838 states, 3234 states have (on average 1.3487940630797774) internal successors, (4362), 3362 states have internal predecessors, (4362), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) [2022-11-16 12:31:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 12:31:34,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:34,017 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 12:31:34,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:34,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:34,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1531306275, now seen corresponding path program 1 times [2022-11-16 12:31:34,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:31:34,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152850408] [2022-11-16 12:31:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:34,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:31:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:31:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:31:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:31:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:31:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:35,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:31:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:31:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:31:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:31:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 12:31:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:31:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:31:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-16 12:31:36,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:31:36,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152850408] [2022-11-16 12:31:36,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152850408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:36,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:36,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:31:36,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740049618] [2022-11-16 12:31:36,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:36,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:31:36,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:31:36,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:31:36,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:31:36,351 INFO L87 Difference]: Start difference. First operand has 4838 states, 3234 states have (on average 1.3487940630797774) internal successors, (4362), 3362 states have internal predecessors, (4362), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:31:59,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:05,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:32:05,022 INFO L93 Difference]: Finished difference Result 10362 states and 15761 transitions. [2022-11-16 12:32:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:32:05,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2022-11-16 12:32:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:32:05,135 INFO L225 Difference]: With dead ends: 10362 [2022-11-16 12:32:05,136 INFO L226 Difference]: Without dead ends: 5497 [2022-11-16 12:32:05,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:32:05,201 INFO L413 NwaCegarLoop]: 5640 mSDtfsCounter, 3301 mSDsluCounter, 8092 mSDsCounter, 0 mSdLazyCounter, 6615 mSolverCounterSat, 3576 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3414 SdHoareTripleChecker+Valid, 13732 SdHoareTripleChecker+Invalid, 10192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3576 IncrementalHoareTripleChecker+Valid, 6615 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:32:05,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3414 Valid, 13732 Invalid, 10192 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3576 Valid, 6615 Invalid, 1 Unknown, 0 Unchecked, 27.4s Time] [2022-11-16 12:32:05,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5497 states. [2022-11-16 12:32:05,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5497 to 4806. [2022-11-16 12:32:05,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 3223 states have (on average 1.337263419174682) internal successors, (4310), 3330 states have internal predecessors, (4310), 1329 states have call successors, (1329), 254 states have call predecessors, (1329), 253 states have return successors, (1328), 1291 states have call predecessors, (1328), 1328 states have call successors, (1328) [2022-11-16 12:32:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 6967 transitions. [2022-11-16 12:32:05,776 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 6967 transitions. Word has length 94 [2022-11-16 12:32:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:32:05,777 INFO L495 AbstractCegarLoop]: Abstraction has 4806 states and 6967 transitions. [2022-11-16 12:32:05,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:32:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 6967 transitions. [2022-11-16 12:32:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 12:32:05,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:32:05,786 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 12:32:05,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:32:05,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:32:05,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:05,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1640008743, now seen corresponding path program 1 times [2022-11-16 12:32:05,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:05,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779815809] [2022-11-16 12:32:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:32:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:32:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:32:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 12:32:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:32:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:32:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-16 12:32:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:32:07,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779815809] [2022-11-16 12:32:07,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779815809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:32:07,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:32:07,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:32:07,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563122449] [2022-11-16 12:32:07,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:32:07,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:32:07,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:32:07,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:32:07,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:32:07,543 INFO L87 Difference]: Start difference. First operand 4806 states and 6967 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:32:32,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:38,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:46,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:32:46,100 INFO L93 Difference]: Finished difference Result 15670 states and 23358 transitions. [2022-11-16 12:32:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:32:46,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2022-11-16 12:32:46,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:32:46,192 INFO L225 Difference]: With dead ends: 15670 [2022-11-16 12:32:46,192 INFO L226 Difference]: Without dead ends: 10881 [2022-11-16 12:32:46,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:32:46,222 INFO L413 NwaCegarLoop]: 6807 mSDtfsCounter, 13587 mSDsluCounter, 11144 mSDsCounter, 0 mSdLazyCounter, 9855 mSolverCounterSat, 8344 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14440 SdHoareTripleChecker+Valid, 17951 SdHoareTripleChecker+Invalid, 18200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8344 IncrementalHoareTripleChecker+Valid, 9855 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:32:46,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14440 Valid, 17951 Invalid, 18200 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8344 Valid, 9855 Invalid, 1 Unknown, 0 Unchecked, 37.0s Time] [2022-11-16 12:32:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10881 states. [2022-11-16 12:32:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10881 to 9508. [2022-11-16 12:32:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9508 states, 6371 states have (on average 1.3382514518913828) internal successors, (8526), 6585 states have internal predecessors, (8526), 2634 states have call successors, (2634), 503 states have call predecessors, (2634), 502 states have return successors, (2633), 2558 states have call predecessors, (2633), 2633 states have call successors, (2633) [2022-11-16 12:32:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9508 states to 9508 states and 13793 transitions. [2022-11-16 12:32:46,862 INFO L78 Accepts]: Start accepts. Automaton has 9508 states and 13793 transitions. Word has length 94 [2022-11-16 12:32:46,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:32:46,865 INFO L495 AbstractCegarLoop]: Abstraction has 9508 states and 13793 transitions. [2022-11-16 12:32:46,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:32:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 9508 states and 13793 transitions. [2022-11-16 12:32:46,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-16 12:32:46,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:32:46,875 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:32:46,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:32:46,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:32:46,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1184248166, now seen corresponding path program 1 times [2022-11-16 12:32:46,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:46,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955251331] [2022-11-16 12:32:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:46,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:32:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:32:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:32:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:32:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 12:32:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 12:32:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-16 12:32:48,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:32:48,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955251331] [2022-11-16 12:32:48,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955251331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:32:48,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:32:48,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:32:48,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188313730] [2022-11-16 12:32:48,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:32:48,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:32:48,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:32:48,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:32:48,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:32:48,287 INFO L87 Difference]: Start difference. First operand 9508 states and 13793 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:33:01,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:24,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:31,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:33:31,985 INFO L93 Difference]: Finished difference Result 30181 states and 44969 transitions. [2022-11-16 12:33:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:33:31,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2022-11-16 12:33:31,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:33:32,149 INFO L225 Difference]: With dead ends: 30181 [2022-11-16 12:33:32,149 INFO L226 Difference]: Without dead ends: 20690 [2022-11-16 12:33:32,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:33:32,207 INFO L413 NwaCegarLoop]: 6946 mSDtfsCounter, 11821 mSDsluCounter, 14326 mSDsCounter, 0 mSdLazyCounter, 12428 mSolverCounterSat, 7382 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12591 SdHoareTripleChecker+Valid, 21272 SdHoareTripleChecker+Invalid, 19811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7382 IncrementalHoareTripleChecker+Valid, 12428 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:33:32,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12591 Valid, 21272 Invalid, 19811 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7382 Valid, 12428 Invalid, 1 Unknown, 0 Unchecked, 41.9s Time] [2022-11-16 12:33:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20690 states. [2022-11-16 12:33:33,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20690 to 18014. [2022-11-16 12:33:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18014 states, 12068 states have (on average 1.3394928737156115) internal successors, (16165), 12476 states have internal predecessors, (16165), 4970 states have call successors, (4970), 976 states have call predecessors, (4970), 975 states have return successors, (4969), 4820 states have call predecessors, (4969), 4969 states have call successors, (4969) [2022-11-16 12:33:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18014 states to 18014 states and 26104 transitions. [2022-11-16 12:33:33,487 INFO L78 Accepts]: Start accepts. Automaton has 18014 states and 26104 transitions. Word has length 113 [2022-11-16 12:33:33,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:33:33,489 INFO L495 AbstractCegarLoop]: Abstraction has 18014 states and 26104 transitions. [2022-11-16 12:33:33,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:33:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 18014 states and 26104 transitions. [2022-11-16 12:33:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-16 12:33:33,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:33,502 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:33,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:33:33,502 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:33,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:33,503 INFO L85 PathProgramCache]: Analyzing trace with hash 103995951, now seen corresponding path program 1 times [2022-11-16 12:33:33,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:33,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375167956] [2022-11-16 12:33:33,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:33,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:33:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:33:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:33:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:33:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:33:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:33:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:33:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:33:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:33:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:33:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:33:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:35,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:33:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:33:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-16 12:33:35,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:35,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375167956] [2022-11-16 12:33:35,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375167956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:35,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:35,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:33:35,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546158140] [2022-11-16 12:33:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:35,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:33:35,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:35,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:33:35,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:33:35,107 INFO L87 Difference]: Start difference. First operand 18014 states and 26104 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 12:33:43,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:44,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:34:08,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:34:15,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:15,186 INFO L93 Difference]: Finished difference Result 59171 states and 88152 transitions. [2022-11-16 12:34:15,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:34:15,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 145 [2022-11-16 12:34:15,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:34:15,405 INFO L225 Difference]: With dead ends: 59171 [2022-11-16 12:34:15,406 INFO L226 Difference]: Without dead ends: 41174 [2022-11-16 12:34:15,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:34:15,487 INFO L413 NwaCegarLoop]: 6840 mSDtfsCounter, 13634 mSDsluCounter, 11194 mSDsCounter, 0 mSdLazyCounter, 9885 mSolverCounterSat, 8346 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14497 SdHoareTripleChecker+Valid, 18034 SdHoareTripleChecker+Invalid, 18232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8346 IncrementalHoareTripleChecker+Valid, 9885 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:34:15,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14497 Valid, 18034 Invalid, 18232 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8346 Valid, 9885 Invalid, 1 Unknown, 0 Unchecked, 37.5s Time] [2022-11-16 12:34:15,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41174 states. [2022-11-16 12:34:17,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41174 to 35826. [2022-11-16 12:34:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35826 states, 23992 states have (on average 1.339488162720907) internal successors, (32137), 24808 states have internal predecessors, (32137), 9884 states have call successors, (9884), 1950 states have call predecessors, (9884), 1949 states have return successors, (9883), 9584 states have call predecessors, (9883), 9883 states have call successors, (9883) [2022-11-16 12:34:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35826 states to 35826 states and 51904 transitions. [2022-11-16 12:34:18,149 INFO L78 Accepts]: Start accepts. Automaton has 35826 states and 51904 transitions. Word has length 145 [2022-11-16 12:34:18,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:34:18,149 INFO L495 AbstractCegarLoop]: Abstraction has 35826 states and 51904 transitions. [2022-11-16 12:34:18,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 12:34:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 35826 states and 51904 transitions. [2022-11-16 12:34:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-16 12:34:18,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:34:18,156 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:18,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:34:18,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:34:18,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:18,156 INFO L85 PathProgramCache]: Analyzing trace with hash 709161987, now seen corresponding path program 1 times [2022-11-16 12:34:18,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:18,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319959143] [2022-11-16 12:34:18,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:18,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:34:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:34:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:34:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:34:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:34:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:34:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-16 12:34:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:34:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 12:34:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-16 12:34:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-11-16 12:34:19,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:19,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319959143] [2022-11-16 12:34:19,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319959143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:19,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:19,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:34:19,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149689851] [2022-11-16 12:34:19,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:19,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:34:19,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:19,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:34:19,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:34:19,912 INFO L87 Difference]: Start difference. First operand 35826 states and 51904 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 12:34:27,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:34:51,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:34:57,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:57,688 INFO L93 Difference]: Finished difference Result 117791 states and 175391 transitions. [2022-11-16 12:34:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:34:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 172 [2022-11-16 12:34:57,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:34:58,381 INFO L225 Difference]: With dead ends: 117791 [2022-11-16 12:34:58,381 INFO L226 Difference]: Without dead ends: 81982 [2022-11-16 12:34:58,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:34:58,647 INFO L413 NwaCegarLoop]: 6937 mSDtfsCounter, 13628 mSDsluCounter, 11317 mSDsCounter, 0 mSdLazyCounter, 9894 mSolverCounterSat, 8336 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14478 SdHoareTripleChecker+Valid, 18254 SdHoareTripleChecker+Invalid, 18231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8336 IncrementalHoareTripleChecker+Valid, 9894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:34:58,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14478 Valid, 18254 Invalid, 18231 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8336 Valid, 9894 Invalid, 1 Unknown, 0 Unchecked, 33.3s Time] [2022-11-16 12:34:58,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81982 states. [2022-11-16 12:35:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81982 to 71296. [2022-11-16 12:35:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71296 states, 47743 states have (on average 1.339337703956601) internal successors, (63944), 49375 states have internal predecessors, (63944), 19655 states have call successors, (19655), 3898 states have call predecessors, (19655), 3897 states have return successors, (19654), 19055 states have call predecessors, (19654), 19654 states have call successors, (19654) [2022-11-16 12:35:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71296 states to 71296 states and 103253 transitions. [2022-11-16 12:35:03,842 INFO L78 Accepts]: Start accepts. Automaton has 71296 states and 103253 transitions. Word has length 172 [2022-11-16 12:35:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:35:03,843 INFO L495 AbstractCegarLoop]: Abstraction has 71296 states and 103253 transitions. [2022-11-16 12:35:03,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 12:35:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 71296 states and 103253 transitions. [2022-11-16 12:35:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-16 12:35:03,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:35:03,851 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:03,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:35:03,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:35:03,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:03,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2075121439, now seen corresponding path program 1 times [2022-11-16 12:35:03,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:03,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347428505] [2022-11-16 12:35:03,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:03,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:04,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:35:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:04,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:35:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:35:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 12:35:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:35:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 12:35:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 12:35:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-16 12:35:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 12:35:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 12:35:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:35:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-16 12:35:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-16 12:35:05,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:35:05,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347428505] [2022-11-16 12:35:05,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347428505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:35:05,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:35:05,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:35:05,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923167669] [2022-11-16 12:35:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:35:05,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:35:05,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:35:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:35:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:35:05,510 INFO L87 Difference]: Start difference. First operand 71296 states and 103253 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 12:35:35,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:35:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:35:42,482 INFO L93 Difference]: Finished difference Result 234075 states and 348378 transitions. [2022-11-16 12:35:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:35:42,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 169 [2022-11-16 12:35:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:35:43,817 INFO L225 Difference]: With dead ends: 234075 [2022-11-16 12:35:43,830 INFO L226 Difference]: Without dead ends: 162796 [2022-11-16 12:35:44,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:35:44,170 INFO L413 NwaCegarLoop]: 6927 mSDtfsCounter, 16333 mSDsluCounter, 8405 mSDsCounter, 0 mSdLazyCounter, 7457 mSolverCounterSat, 11588 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17179 SdHoareTripleChecker+Valid, 15332 SdHoareTripleChecker+Invalid, 19046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11588 IncrementalHoareTripleChecker+Valid, 7457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:35:44,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17179 Valid, 15332 Invalid, 19046 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11588 Valid, 7457 Invalid, 1 Unknown, 0 Unchecked, 28.3s Time] [2022-11-16 12:35:44,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162796 states. [2022-11-16 12:35:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162796 to 141432. [2022-11-16 12:35:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141432 states, 94743 states have (on average 1.3399617913724498) internal successors, (126952), 97999 states have internal predecessors, (126952), 38895 states have call successors, (38895), 7794 states have call predecessors, (38895), 7793 states have return successors, (38894), 37703 states have call predecessors, (38894), 38894 states have call successors, (38894) [2022-11-16 12:35:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141432 states to 141432 states and 204741 transitions. [2022-11-16 12:35:53,358 INFO L78 Accepts]: Start accepts. Automaton has 141432 states and 204741 transitions. Word has length 169 [2022-11-16 12:35:53,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:35:53,359 INFO L495 AbstractCegarLoop]: Abstraction has 141432 states and 204741 transitions. [2022-11-16 12:35:53,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 12:35:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 141432 states and 204741 transitions. [2022-11-16 12:35:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-16 12:35:53,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:35:53,369 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:53,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:35:53,369 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:35:53,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:53,370 INFO L85 PathProgramCache]: Analyzing trace with hash -256716077, now seen corresponding path program 1 times [2022-11-16 12:35:53,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:53,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610970412] [2022-11-16 12:35:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:53,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:35:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:35:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:35:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 12:35:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 12:35:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:35:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:35:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:35:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 12:35:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-16 12:35:55,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:35:55,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610970412] [2022-11-16 12:35:55,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610970412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:35:55,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:35:55,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:35:55,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591229951] [2022-11-16 12:35:55,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:35:55,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:35:55,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:35:55,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:35:55,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:35:55,027 INFO L87 Difference]: Start difference. First operand 141432 states and 204741 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 12:36:26,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:36:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:34,426 INFO L93 Difference]: Finished difference Result 333362 states and 499264 transitions. [2022-11-16 12:36:34,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:36:34,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 150 [2022-11-16 12:36:34,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:35,921 INFO L225 Difference]: With dead ends: 333362 [2022-11-16 12:36:35,921 INFO L226 Difference]: Without dead ends: 191947 [2022-11-16 12:36:36,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:36:36,428 INFO L413 NwaCegarLoop]: 6751 mSDtfsCounter, 11017 mSDsluCounter, 15693 mSDsCounter, 0 mSdLazyCounter, 10843 mSolverCounterSat, 5268 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11767 SdHoareTripleChecker+Valid, 22444 SdHoareTripleChecker+Invalid, 16112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5268 IncrementalHoareTripleChecker+Valid, 10843 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:36,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11767 Valid, 22444 Invalid, 16112 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5268 Valid, 10843 Invalid, 1 Unknown, 0 Unchecked, 28.6s Time] [2022-11-16 12:36:36,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191947 states.