./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y --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 d3eedf009c0354e40f9e91d5f02bdbd29fc69486fea85bd401e2764ccaedb5c6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:43:18,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:43:18,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:43:18,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:43:18,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:43:18,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:43:18,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:43:18,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:43:18,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:43:18,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:43:18,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:43:18,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:43:18,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:43:18,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:43:18,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:43:18,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:43:18,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:43:18,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:43:18,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:43:18,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:43:18,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:43:18,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:43:18,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:43:18,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:43:18,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:43:18,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:43:18,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:43:18,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:43:18,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:43:18,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:43:18,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:43:18,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:43:18,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:43:18,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:43:18,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:43:18,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:43:18,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:43:18,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:43:18,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:43:18,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:43:18,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:43:18,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:43:18,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:43:18,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:43:18,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:43:18,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:43:18,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:43:18,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:43:18,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:43:18,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:43:18,385 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:43:18,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:43:18,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:43:18,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:43:18,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:43:18,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:43:18,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:43:18,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:43:18,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:43:18,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:43:18,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:43:18,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:43:18,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:43:18,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:43:18,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:43:18,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:43:18,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:43:18,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:43:18,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:43:18,392 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:43:18,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:43:18,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:43:18,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:43:18,395 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_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3eedf009c0354e40f9e91d5f02bdbd29fc69486fea85bd401e2764ccaedb5c6 [2021-11-13 17:43:18,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:43:18,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:43:18,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:43:18,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:43:18,739 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:43:18,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i [2021-11-13 17:43:18,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/data/8ed345851/e846eb4b4d234da2975345a2989e15c9/FLAG22e96a407 [2021-11-13 17:43:20,148 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:43:20,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i [2021-11-13 17:43:20,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/data/8ed345851/e846eb4b4d234da2975345a2989e15c9/FLAG22e96a407 [2021-11-13 17:43:20,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/data/8ed345851/e846eb4b4d234da2975345a2989e15c9 [2021-11-13 17:43:20,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:43:20,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:43:20,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:43:20,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:43:20,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:43:20,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:43:20" (1/1) ... [2021-11-13 17:43:20,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198d0e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:20, skipping insertion in model container [2021-11-13 17:43:20,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:43:20" (1/1) ... [2021-11-13 17:43:20,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:43:20,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:43:22,133 WARN L228 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_a7b702ee-35c7-4a40-a4ee-b15892e64b75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i[223980,223993] [2021-11-13 17:43:25,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:43:26,198 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:43:26,465 WARN L228 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_a7b702ee-35c7-4a40-a4ee-b15892e64b75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i[223980,223993] [2021-11-13 17:43:27,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:43:27,451 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:43:27,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27 WrapperNode [2021-11-13 17:43:27,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:43:27,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:43:27,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:43:27,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:43:27,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:27,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:28,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:43:28,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:43:28,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:43:28,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:43:28,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:28,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:28,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:28,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:29,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:29,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:29,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:29,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:43:29,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:43:29,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:43:29,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:43:29,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (1/1) ... [2021-11-13 17:43:29,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:43:29,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:43:29,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:43:29,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:43:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-13 17:43:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-13 17:43:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_phy_iq_calibrate [2021-11-13 17:43:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_phy_iq_calibrate [2021-11-13 17:43:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:43:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:43:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_deinit_sw_leds [2021-11-13 17:43:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_deinit_sw_leds [2021-11-13 17:43:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_set_key [2021-11-13 17:43:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_set_key [2021-11-13 17:43:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_set_media_status [2021-11-13 17:43:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_set_media_status [2021-11-13 17:43:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-13 17:43:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-13 17:43:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-13 17:43:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-13 17:43:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_enable_hw_security_config [2021-11-13 17:43:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_enable_hw_security_config [2021-11-13 17:43:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rfreg_delay [2021-11-13 17:43:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rfreg_delay [2021-11-13 17:43:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-13 17:43:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-13 17:43:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_set_network_type [2021-11-13 17:43:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_set_network_type [2021-11-13 17:43:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92c_query_rxpwrpercentage [2021-11-13 17:43:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92c_query_rxpwrpercentage [2021-11-13 17:43:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-13 17:43:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-13 17:43:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_addr_delay [2021-11-13 17:43:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_addr_delay [2021-11-13 17:43:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_init_sw_leds [2021-11-13 17:43:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_init_sw_leds [2021-11-13 17:43:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure _DisableAnalog [2021-11-13 17:43:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure _DisableAnalog [2021-11-13 17:43:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-13 17:43:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-13 17:43:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 17:43:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 17:43:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_fill_fake_txdesc [2021-11-13 17:43:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_fill_fake_txdesc [2021-11-13 17:43:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl_tx_desc_checksum [2021-11-13 17:43:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl_tx_desc_checksum [2021-11-13 17:43:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_set_qos [2021-11-13 17:43:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_set_qos [2021-11-13 17:43:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92c_phy_rf_serial_read [2021-11-13 17:43:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92c_phy_rf_serial_read [2021-11-13 17:43:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-13 17:43:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-13 17:43:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_gpio_radio_on_off_checking [2021-11-13 17:43:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_gpio_radio_on_off_checking [2021-11-13 17:43:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_set_check_bssid [2021-11-13 17:43:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_set_check_bssid [2021-11-13 17:43:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-13 17:43:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-13 17:43:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-13 17:43:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 17:43:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 17:43:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:43:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_update_hal_rate_tbl [2021-11-13 17:43:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_update_hal_rate_tbl [2021-11-13 17:43:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-13 17:43:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-13 17:43:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 17:43:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:43:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:43:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_read_chip_version [2021-11-13 17:43:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_read_chip_version [2021-11-13 17:43:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:43:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:43:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure dm_writepowerindex [2021-11-13 17:43:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_writepowerindex [2021-11-13 17:43:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_cmd_send_packet [2021-11-13 17:43:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_cmd_send_packet [2021-11-13 17:43:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-13 17:43:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-13 17:43:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_update_channel_access_setting [2021-11-13 17:43:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_update_channel_access_setting [2021-11-13 17:43:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_init_led [2021-11-13 17:43:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_init_led [2021-11-13 17:43:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_phy_set_bb_reg [2021-11-13 17:43:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_phy_set_bb_reg [2021-11-13 17:43:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_translate_rx_signal_stuff [2021-11-13 17:43:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_translate_rx_signal_stuff [2021-11-13 17:43:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-13 17:43:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-13 17:43:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_stop_tx_beacon [2021-11-13 17:43:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_stop_tx_beacon [2021-11-13 17:43:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-13 17:43:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-13 17:43:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-13 17:43:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-13 17:43:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-13 17:43:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_phy_query_bb_reg [2021-11-13 17:43:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_phy_query_bb_reg [2021-11-13 17:43:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-13 17:43:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-13 17:43:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_set_beacon_related_registers [2021-11-13 17:43:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_set_beacon_related_registers [2021-11-13 17:43:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:43:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92c_init_chipN_reg_priority [2021-11-13 17:43:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92c_init_chipN_reg_priority [2021-11-13 17:43:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure _DisableRFAFEAndResetBB [2021-11-13 17:43:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure _DisableRFAFEAndResetBB [2021-11-13 17:43:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 17:43:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 17:43:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:43:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 17:43:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_resume_tx_beacon [2021-11-13 17:43:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_resume_tx_beacon [2021-11-13 17:43:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_led_control [2021-11-13 17:43:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_led_control [2021-11-13 17:43:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_disable_interrupt [2021-11-13 17:43:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_disable_interrupt [2021-11-13 17:43:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_set_rf_power_state [2021-11-13 17:43:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_set_rf_power_state [2021-11-13 17:43:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_dm_watchdog [2021-11-13 17:43:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_dm_watchdog [2021-11-13 17:43:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 17:43:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 17:43:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_phy_sw_chnl [2021-11-13 17:43:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_phy_sw_chnl [2021-11-13 17:43:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-13 17:43:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-13 17:43:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:43:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:43:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_init_sw_vars [2021-11-13 17:43:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_init_sw_vars [2021-11-13 17:43:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92c_signal_scale_mapping [2021-11-13 17:43:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92c_signal_scale_mapping [2021-11-13 17:43:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_phy_set_bw_mode [2021-11-13 17:43:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_phy_set_bw_mode [2021-11-13 17:43:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_tx_fill_cmddesc [2021-11-13 17:43:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_tx_fill_cmddesc [2021-11-13 17:43:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:43:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:43:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:43:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:43:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92c_phy_calculate_bit_shift [2021-11-13 17:43:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92c_phy_calculate_bit_shift [2021-11-13 17:43:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-11-13 17:43:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-11-13 17:43:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-13 17:43:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-13 17:43:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure _DisableGPIO [2021-11-13 17:43:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure _DisableGPIO [2021-11-13 17:43:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-13 17:43:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-13 17:43:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_enable_interrupt [2021-11-13 17:43:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_enable_interrupt [2021-11-13 17:43:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_set_bw_mode_callback [2021-11-13 17:43:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_set_bw_mode_callback [2021-11-13 17:43:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-13 17:43:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-13 17:43:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_hw_init [2021-11-13 17:43:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_hw_init [2021-11-13 17:43:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-13 17:43:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-13 17:43:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_deInit_led [2021-11-13 17:43:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_deInit_led [2021-11-13 17:43:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-13 17:43:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-13 17:43:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-13 17:43:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-13 17:43:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 17:43:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 17:43:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-13 17:43:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-13 17:43:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_rx_query_desc [2021-11-13 17:43:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_rx_query_desc [2021-11-13 17:43:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:43:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:43:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 17:43:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 17:43:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_config_rf_with_headerfile [2021-11-13 17:43:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_config_rf_with_headerfile [2021-11-13 17:43:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_dm_dynamic_txpower [2021-11-13 17:43:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_dm_dynamic_txpower [2021-11-13 17:43:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_query_rf_reg [2021-11-13 17:43:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_query_rf_reg [2021-11-13 17:43:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_phy_config_bb_with_headerfile [2021-11-13 17:43:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_phy_config_bb_with_headerfile [2021-11-13 17:43:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:43:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_rf6052_set_cck_txpower [2021-11-13 17:43:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_rf6052_set_cck_txpower [2021-11-13 17:43:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:43:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_get_hw_reg [2021-11-13 17:43:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_get_hw_reg [2021-11-13 17:43:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_deinit_sw_vars [2021-11-13 17:43:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_deinit_sw_vars [2021-11-13 17:43:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_phy_config_bb_with_pgheaderfile [2021-11-13 17:43:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_phy_config_bb_with_pgheaderfile [2021-11-13 17:43:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:43:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-13 17:43:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-13 17:43:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_fill_h2c_cmd [2021-11-13 17:43:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_fill_h2c_cmd [2021-11-13 17:43:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 17:43:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 17:43:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_set_rf_reg [2021-11-13 17:43:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_set_rf_reg [2021-11-13 17:43:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-13 17:43:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-13 17:43:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtlwifi_rate_mapping [2021-11-13 17:43:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rtlwifi_rate_mapping [2021-11-13 17:43:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-13 17:43:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-13 17:43:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-13 17:43:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-13 17:43:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-13 17:43:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-13 17:43:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_phy_lc_calibrate [2021-11-13 17:43:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_phy_lc_calibrate [2021-11-13 17:43:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_set_beacon_interval [2021-11-13 17:43:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_set_beacon_interval [2021-11-13 17:43:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:43:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_rf6052_config [2021-11-13 17:43:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_rf6052_config [2021-11-13 17:43:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 17:43:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 17:43:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-13 17:43:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-13 17:43:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_tx_fill_desc [2021-11-13 17:43:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_tx_fill_desc [2021-11-13 17:43:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure _ResetDigitalProcedure1 [2021-11-13 17:43:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _ResetDigitalProcedure1 [2021-11-13 17:43:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92c_llt_write [2021-11-13 17:43:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92c_llt_write [2021-11-13 17:43:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-13 17:43:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-13 17:43:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-13 17:43:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-13 17:43:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-11-13 17:43:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-11-13 17:43:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-13 17:43:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-13 17:43:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_update_interrupt_mask [2021-11-13 17:43:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_update_interrupt_mask [2021-11-13 17:43:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92cu_set_bcn_ctrl_reg [2021-11-13 17:43:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92cu_set_bcn_ctrl_reg [2021-11-13 17:43:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_set_hw_reg [2021-11-13 17:43:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_set_hw_reg [2021-11-13 17:43:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_phy_rf6052_set_ofdm_txpower [2021-11-13 17:43:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_phy_rf6052_set_ofdm_txpower [2021-11-13 17:43:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92c_phy_fw_rf_serial_read [2021-11-13 17:43:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92c_phy_fw_rf_serial_read [2021-11-13 17:43:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-13 17:43:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-13 17:43:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-13 17:43:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-13 17:43:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92c_get_chnl_group [2021-11-13 17:43:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92c_get_chnl_group [2021-11-13 17:43:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:43:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_card_disable [2021-11-13 17:43:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_card_disable [2021-11-13 17:43:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-13 17:43:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-13 17:43:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-13 17:43:31,721 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:44:38,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:44:38,126 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 17:44:38,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:44:38 BoogieIcfgContainer [2021-11-13 17:44:38,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:44:38,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:44:38,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:44:38,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:44:38,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:43:20" (1/3) ... [2021-11-13 17:44:38,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c56650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:44:38, skipping insertion in model container [2021-11-13 17:44:38,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:43:27" (2/3) ... [2021-11-13 17:44:38,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c56650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:44:38, skipping insertion in model container [2021-11-13 17:44:38,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:44:38" (3/3) ... [2021-11-13 17:44:38,143 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i [2021-11-13 17:44:38,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:44:38,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:44:38,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:44:38,233 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:44:38,233 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:44:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 4439 states, 3091 states have (on average 1.406664509867357) internal successors, (4348), 3175 states have internal predecessors, (4348), 1228 states have call successors, (1228), 119 states have call predecessors, (1228), 118 states have return successors, (1223), 1191 states have call predecessors, (1223), 1223 states have call successors, (1223) [2021-11-13 17:44:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-13 17:44:38,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:44:38,374 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:44:38,374 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:44:38,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:44:38,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1103715945, now seen corresponding path program 1 times [2021-11-13 17:44:38,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:44:38,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675302526] [2021-11-13 17:44:38,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:44:38,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:44:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:44:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:44:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:44:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:44:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 17:44:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:44:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:44:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:44:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:44:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:44:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 17:44:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 17:44:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 17:44:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:44:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-13 17:44:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-13 17:44:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:44:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:44:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-13 17:44:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 17:44:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:44:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:44:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:44:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 17:44:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-13 17:44:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-13 17:44:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-13 17:44:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 17:44:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-13 17:44:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:44:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:44:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:44:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 17:44:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-13 17:44:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 17:44:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1180 trivial. 0 not checked. [2021-11-13 17:44:41,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:44:41,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675302526] [2021-11-13 17:44:41,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675302526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:44:41,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:44:41,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:44:41,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475306678] [2021-11-13 17:44:41,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:44:41,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:44:41,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:44:41,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:44:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:44:41,663 INFO L87 Difference]: Start difference. First operand has 4439 states, 3091 states have (on average 1.406664509867357) internal successors, (4348), 3175 states have internal predecessors, (4348), 1228 states have call successors, (1228), 119 states have call predecessors, (1228), 118 states have return successors, (1223), 1191 states have call predecessors, (1223), 1223 states have call successors, (1223) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-13 17:44:44,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:46,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:48,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:51,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:53,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:55,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:17,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:19,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:45,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:45,680 INFO L93 Difference]: Finished difference Result 13576 states and 20964 transitions. [2021-11-13 17:45:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:45:45,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 228 [2021-11-13 17:45:45,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:45,790 INFO L225 Difference]: With dead ends: 13576 [2021-11-13 17:45:45,790 INFO L226 Difference]: Without dead ends: 9118 [2021-11-13 17:45:45,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:45:45,826 INFO L933 BasicCegarLoop]: 6782 mSDtfsCounter, 10584 mSDsluCounter, 10003 mSDsCounter, 0 mSdLazyCounter, 7835 mSolverCounterSat, 7495 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58377.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11324 SdHoareTripleChecker+Valid, 16785 SdHoareTripleChecker+Invalid, 15338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 242.66ms SdHoareTripleChecker+Time, 7495 IncrementalHoareTripleChecker+Valid, 7835 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62587.38ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:45,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11324 Valid, 16785 Invalid, 15338 Unknown, 0 Unchecked, 242.66ms Time], IncrementalHoareTripleChecker [7495 Valid, 7835 Invalid, 8 Unknown, 0 Unchecked, 62587.38ms Time] [2021-11-13 17:45:45,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9118 states. [2021-11-13 17:45:47,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9118 to 8587. [2021-11-13 17:45:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8587 states, 5996 states have (on average 1.4069379586390927) internal successors, (8436), 6150 states have internal predecessors, (8436), 2358 states have call successors, (2358), 233 states have call predecessors, (2358), 232 states have return successors, (2357), 2293 states have call predecessors, (2357), 2357 states have call successors, (2357) [2021-11-13 17:45:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8587 states to 8587 states and 13151 transitions. [2021-11-13 17:45:47,162 INFO L78 Accepts]: Start accepts. Automaton has 8587 states and 13151 transitions. Word has length 228 [2021-11-13 17:45:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:47,167 INFO L470 AbstractCegarLoop]: Abstraction has 8587 states and 13151 transitions. [2021-11-13 17:45:47,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-13 17:45:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 8587 states and 13151 transitions. [2021-11-13 17:45:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-13 17:45:47,183 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:47,184 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:45:47,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:45:47,184 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:47,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:47,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1994813454, now seen corresponding path program 1 times [2021-11-13 17:45:47,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:47,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615249998] [2021-11-13 17:45:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:47,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:45:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:45:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:45:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:45:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 17:45:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:45:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:45:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:45:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:45:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:45:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 17:45:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 17:45:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 17:45:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:45:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-13 17:45:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-13 17:45:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:45:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:45:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-13 17:45:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 17:45:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:45:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:45:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:45:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 17:45:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-13 17:45:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-13 17:45:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-13 17:45:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 17:45:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-13 17:45:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:45:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:45:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:45:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 17:45:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-13 17:45:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 17:45:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 17:45:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2021-11-13 17:45:49,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:49,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615249998] [2021-11-13 17:45:49,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615249998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:49,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:49,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:45:49,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495571193] [2021-11-13 17:45:49,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:49,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:45:49,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:49,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:45:49,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:45:49,442 INFO L87 Difference]: Start difference. First operand 8587 states and 13151 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 17:45:51,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:53,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:56,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:58,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:00,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:58,517 INFO L93 Difference]: Finished difference Result 26512 states and 40779 transitions. [2021-11-13 17:46:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:46:58,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 238 [2021-11-13 17:46:58,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:58,690 INFO L225 Difference]: With dead ends: 26512 [2021-11-13 17:46:58,691 INFO L226 Difference]: Without dead ends: 17993 [2021-11-13 17:46:58,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:46:58,757 INFO L933 BasicCegarLoop]: 6758 mSDtfsCounter, 10659 mSDsluCounter, 21805 mSDsCounter, 0 mSdLazyCounter, 12124 mSolverCounterSat, 7481 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62577.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11421 SdHoareTripleChecker+Valid, 28563 SdHoareTripleChecker+Invalid, 19610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 231.19ms SdHoareTripleChecker+Time, 7481 IncrementalHoareTripleChecker+Valid, 12124 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67538.10ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:58,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11421 Valid, 28563 Invalid, 19610 Unknown, 0 Unchecked, 231.19ms Time], IncrementalHoareTripleChecker [7481 Valid, 12124 Invalid, 5 Unknown, 0 Unchecked, 67538.10ms Time] [2021-11-13 17:46:58,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17993 states. [2021-11-13 17:47:00,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17993 to 16956. [2021-11-13 17:47:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16956 states, 11855 states have (on average 1.4085196119780683) internal successors, (16698), 12165 states have internal predecessors, (16698), 4634 states have call successors, (4634), 463 states have call predecessors, (4634), 466 states have return successors, (4645), 4507 states have call predecessors, (4645), 4633 states have call successors, (4645) [2021-11-13 17:47:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16956 states to 16956 states and 25977 transitions. [2021-11-13 17:47:00,629 INFO L78 Accepts]: Start accepts. Automaton has 16956 states and 25977 transitions. Word has length 238 [2021-11-13 17:47:00,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:00,632 INFO L470 AbstractCegarLoop]: Abstraction has 16956 states and 25977 transitions. [2021-11-13 17:47:00,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 17:47:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 16956 states and 25977 transitions. [2021-11-13 17:47:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-13 17:47:00,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:00,657 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:00,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:47:00,658 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:00,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:00,658 INFO L85 PathProgramCache]: Analyzing trace with hash 806172515, now seen corresponding path program 1 times [2021-11-13 17:47:00,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:00,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014413593] [2021-11-13 17:47:00,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:00,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:47:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:47:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:47:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:47:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 17:47:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:47:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:47:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:47:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:47:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:47:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 17:47:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 17:47:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 17:47:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:47:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-13 17:47:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-13 17:47:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:47:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:47:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-13 17:47:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 17:47:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:47:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:47:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:47:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 17:47:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-13 17:47:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-13 17:47:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-13 17:47:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 17:47:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-13 17:47:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:47:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:47:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:47:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 17:47:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-13 17:47:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 17:47:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:47:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-13 17:47:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2021-11-13 17:47:03,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:03,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014413593] [2021-11-13 17:47:03,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014413593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:03,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:03,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:47:03,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501555699] [2021-11-13 17:47:03,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:03,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:47:03,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:03,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:47:03,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:47:03,014 INFO L87 Difference]: Start difference. First operand 16956 states and 25977 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 17:47:05,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:08,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:28,940 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:51,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:51,957 INFO L93 Difference]: Finished difference Result 51615 states and 79349 transitions. [2021-11-13 17:47:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:47:51,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 268 [2021-11-13 17:47:51,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:52,351 INFO L225 Difference]: With dead ends: 51615 [2021-11-13 17:47:52,351 INFO L226 Difference]: Without dead ends: 34733 [2021-11-13 17:47:52,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:47:52,444 INFO L933 BasicCegarLoop]: 6692 mSDtfsCounter, 10326 mSDsluCounter, 9740 mSDsCounter, 0 mSdLazyCounter, 8488 mSolverCounterSat, 7020 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43547.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11419 SdHoareTripleChecker+Valid, 16432 SdHoareTripleChecker+Invalid, 15511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 140.60ms SdHoareTripleChecker+Time, 7020 IncrementalHoareTripleChecker+Valid, 8488 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47564.67ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:52,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11419 Valid, 16432 Invalid, 15511 Unknown, 0 Unchecked, 140.60ms Time], IncrementalHoareTripleChecker [7020 Valid, 8488 Invalid, 3 Unknown, 0 Unchecked, 47564.67ms Time] [2021-11-13 17:47:52,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34733 states. [2021-11-13 17:47:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34733 to 32669. [2021-11-13 17:47:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32669 states, 22796 states have (on average 1.4099842077557467) internal successors, (32142), 23406 states have internal predecessors, (32142), 8955 states have call successors, (8955), 914 states have call predecessors, (8955), 917 states have return successors, (8966), 8700 states have call predecessors, (8966), 8954 states have call successors, (8966) [2021-11-13 17:47:56,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32669 states to 32669 states and 50063 transitions. [2021-11-13 17:47:56,112 INFO L78 Accepts]: Start accepts. Automaton has 32669 states and 50063 transitions. Word has length 268 [2021-11-13 17:47:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:56,113 INFO L470 AbstractCegarLoop]: Abstraction has 32669 states and 50063 transitions. [2021-11-13 17:47:56,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 17:47:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32669 states and 50063 transitions. [2021-11-13 17:47:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-13 17:47:56,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:56,168 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 15, 15, 15, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:56,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:47:56,168 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:56,169 INFO L85 PathProgramCache]: Analyzing trace with hash -108117906, now seen corresponding path program 1 times [2021-11-13 17:47:56,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:56,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042298389] [2021-11-13 17:47:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:56,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:47:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:47:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:47:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:47:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 17:47:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:47:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:47:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:47:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:47:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:47:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 17:47:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 17:47:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 17:47:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:47:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-13 17:47:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-13 17:47:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:47:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:47:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-13 17:47:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 17:47:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:47:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:47:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:47:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 17:47:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-13 17:47:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-13 17:47:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-13 17:47:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 17:47:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-13 17:47:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:47:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:47:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:47:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 17:47:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-13 17:47:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 17:47:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 17:47:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-13 17:47:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-13 17:47:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 17:47:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 17:47:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-13 17:47:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-13 17:47:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:59,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1775 trivial. 0 not checked. [2021-11-13 17:47:59,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:59,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042298389] [2021-11-13 17:47:59,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042298389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:59,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:59,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 17:47:59,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780863694] [2021-11-13 17:47:59,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:59,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:47:59,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:59,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:47:59,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:47:59,174 INFO L87 Difference]: Start difference. First operand 32669 states and 50063 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (44), 4 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) [2021-11-13 17:48:01,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:03,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:05,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:08,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:47,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:49,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:51,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:04,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:04,738 INFO L93 Difference]: Finished difference Result 67295 states and 103396 transitions. [2021-11-13 17:49:04,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:49:04,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (44), 4 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) Word has length 309 [2021-11-13 17:49:04,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:04,932 INFO L225 Difference]: With dead ends: 67295 [2021-11-13 17:49:04,933 INFO L226 Difference]: Without dead ends: 34707 [2021-11-13 17:49:05,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:49:05,274 INFO L933 BasicCegarLoop]: 5995 mSDtfsCounter, 1603 mSDsluCounter, 20809 mSDsCounter, 0 mSdLazyCounter, 12845 mSolverCounterSat, 1292 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59857.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2054 SdHoareTripleChecker+Valid, 26804 SdHoareTripleChecker+Invalid, 14144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 168.45ms SdHoareTripleChecker+Time, 1292 IncrementalHoareTripleChecker+Valid, 12845 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63946.82ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:05,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2054 Valid, 26804 Invalid, 14144 Unknown, 0 Unchecked, 168.45ms Time], IncrementalHoareTripleChecker [1292 Valid, 12845 Invalid, 7 Unknown, 0 Unchecked, 63946.82ms Time] [2021-11-13 17:49:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34707 states. [2021-11-13 17:49:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34707 to 32665. [2021-11-13 17:49:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32665 states, 22790 states have (on average 1.409741114523914) internal successors, (32128), 23400 states have internal predecessors, (32128), 8955 states have call successors, (8955), 914 states have call predecessors, (8955), 919 states have return successors, (8974), 8702 states have call predecessors, (8974), 8954 states have call successors, (8974) [2021-11-13 17:49:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32665 states to 32665 states and 50057 transitions. [2021-11-13 17:49:07,556 INFO L78 Accepts]: Start accepts. Automaton has 32665 states and 50057 transitions. Word has length 309 [2021-11-13 17:49:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:07,557 INFO L470 AbstractCegarLoop]: Abstraction has 32665 states and 50057 transitions. [2021-11-13 17:49:07,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (44), 4 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) [2021-11-13 17:49:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32665 states and 50057 transitions. [2021-11-13 17:49:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-13 17:49:07,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:07,614 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 15, 15, 15, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:07,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:49:07,615 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:49:07,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:07,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1734977693, now seen corresponding path program 1 times [2021-11-13 17:49:07,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:07,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533118800] [2021-11-13 17:49:07,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:07,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:49:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:49:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:49:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:49:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 17:49:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:49:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:49:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:49:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:49:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:49:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 17:49:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 17:49:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 17:49:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:49:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-13 17:49:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-13 17:49:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:49:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:49:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-13 17:49:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 17:49:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:49:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:49:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:49:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 17:49:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-13 17:49:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-13 17:49:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-13 17:49:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 17:49:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-13 17:49:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:49:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:49:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:49:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 17:49:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-13 17:49:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 17:49:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 17:49:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-13 17:49:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-13 17:49:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 17:49:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 17:49:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-13 17:49:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-13 17:49:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:11,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:49:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-11-13 17:49:11,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:11,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533118800] [2021-11-13 17:49:11,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533118800] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:49:11,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413989052] [2021-11-13 17:49:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:11,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:11,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:11,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:49:11,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7b702ee-35c7-4a40-a4ee-b15892e64b75/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process