./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF --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 122a5b8aee7ffa57666a2e715c82a40e311ca1508198b017217f9a7278ea61c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:58:42,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:58:42,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:58:42,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:58:42,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:58:42,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:58:42,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:58:42,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:58:42,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:58:42,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:58:42,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:58:42,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:58:42,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:58:42,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:58:42,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:58:42,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:58:42,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:58:42,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:58:42,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:58:42,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:58:42,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:58:42,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:58:42,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:58:42,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:58:42,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:58:42,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:58:42,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:58:42,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:58:42,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:58:42,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:58:42,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:58:42,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:58:42,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:58:42,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:58:42,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:58:42,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:58:42,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:58:42,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:58:42,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:58:42,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:58:42,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:58:42,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:58:42,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:58:42,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:58:42,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:58:42,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:58:42,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:58:42,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:58:42,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:58:42,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:58:42,313 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:58:42,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:58:42,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:58:42,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:58:42,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:58:42,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:58:42,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:58:42,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:58:42,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:58:42,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:58:42,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:58:42,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:58:42,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:58:42,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:58:42,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:58:42,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:58:42,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:58:42,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:58:42,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:58:42,319 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:58:42,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:58:42,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:58:42,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:58:42,321 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_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 122a5b8aee7ffa57666a2e715c82a40e311ca1508198b017217f9a7278ea61c3 [2021-11-20 06:58:42,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:58:42,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:58:42,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:58:42,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:58:42,587 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:58:42,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2021-11-20 06:58:42,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/data/eec3e9e7b/d4b06a407c154c85ab879cec34b007db/FLAG0137a831a [2021-11-20 06:58:43,944 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:58:43,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2021-11-20 06:58:44,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/data/eec3e9e7b/d4b06a407c154c85ab879cec34b007db/FLAG0137a831a [2021-11-20 06:58:44,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/data/eec3e9e7b/d4b06a407c154c85ab879cec34b007db [2021-11-20 06:58:44,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:58:44,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:58:44,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:58:44,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:58:44,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:58:44,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:58:44" (1/1) ... [2021-11-20 06:58:44,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f098c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:44, skipping insertion in model container [2021-11-20 06:58:44,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:58:44" (1/1) ... [2021-11-20 06:58:44,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:58:44,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:58:52,794 WARN L230 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_756c74f5-5b7e-404c-b1f8-335edd939102/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i[692349,692362] [2021-11-20 06:58:53,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:58:53,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:58:54,349 WARN L230 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_756c74f5-5b7e-404c-b1f8-335edd939102/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i[692349,692362] [2021-11-20 06:58:54,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:58:54,859 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:58:54,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54 WrapperNode [2021-11-20 06:58:54,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:58:54,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:58:54,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:58:54,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:58:54,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:55,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:55,870 INFO L137 Inliner]: procedures = 760, calls = 11021, calls flagged for inlining = 280, calls inlined = 248, statements flattened = 18275 [2021-11-20 06:58:55,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:58:55,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:58:55,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:58:55,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:58:55,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:55,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:56,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:56,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:56,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:56,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:56,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:57,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:58:57,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:58:57,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:58:57,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:58:57,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (1/1) ... [2021-11-20 06:58:57,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:58:57,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:58:57,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:58:57,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756c74f5-5b7e-404c-b1f8-335edd939102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:58:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2021-11-20 06:58:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2021-11-20 06:58:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-20 06:58:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-20 06:58:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-20 06:58:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:58:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:58:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2021-11-20 06:58:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2021-11-20 06:58:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-20 06:58:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-20 06:58:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 06:58:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 06:58:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 06:58:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 06:58:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:58:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:58:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2021-11-20 06:58:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2021-11-20 06:58:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2021-11-20 06:58:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2021-11-20 06:58:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-20 06:58:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-20 06:58:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-20 06:58:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-20 06:58:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-20 06:58:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-20 06:58:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_scan [2021-11-20 06:58:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_scan [2021-11-20 06:58:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-20 06:58:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-20 06:58:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 06:58:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 06:58:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_lbs_private [2021-11-20 06:58:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_lbs_private [2021-11-20 06:58:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2021-11-20 06:58:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2021-11-20 06:58:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-20 06:58:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-20 06:58:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2021-11-20 06:58:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2021-11-20 06:58:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:58:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:58:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2021-11-20 06:58:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2021-11-20 06:58:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-20 06:58:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-20 06:58:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 06:58:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 06:58:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 06:58:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 06:58:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 06:58:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:58:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:58:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:58:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:58:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-20 06:58:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2021-11-20 06:58:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2021-11-20 06:58:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2021-11-20 06:58:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2021-11-20 06:58:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2021-11-20 06:58:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2021-11-20 06:58:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-20 06:58:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-20 06:58:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:58:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2021-11-20 06:58:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2021-11-20 06:58:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-20 06:58:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-20 06:58:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-20 06:58:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-20 06:58:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-20 06:58:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-20 06:58:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:58:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:58:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2021-11-20 06:58:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2021-11-20 06:58:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-20 06:58:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-20 06:58:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2021-11-20 06:58:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2021-11-20 06:58:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 06:58:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 06:58:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2021-11-20 06:58:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2021-11-20 06:58:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2021-11-20 06:58:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2021-11-20 06:58:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2021-11-20 06:58:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2021-11-20 06:58:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-20 06:58:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-20 06:58:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2021-11-20 06:58:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2021-11-20 06:58:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:58:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2021-11-20 06:58:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2021-11-20 06:58:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2021-11-20 06:58:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2021-11-20 06:58:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-20 06:58:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-20 06:58:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2021-11-20 06:58:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2021-11-20 06:58:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2021-11-20 06:58:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2021-11-20 06:58:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:58:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2021-11-20 06:58:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2021-11-20 06:58:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-20 06:58:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-20 06:58:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-20 06:58:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-20 06:58:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:58:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:58:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:58:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mcast_worker [2021-11-20 06:58:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mcast_worker [2021-11-20 06:58:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-20 06:58:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-20 06:58:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-20 06:58:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-20 06:58:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 06:58:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 06:58:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-20 06:58:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-20 06:58:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2021-11-20 06:58:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2021-11-20 06:58:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-20 06:58:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-20 06:58:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 06:58:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 06:58:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:58:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-20 06:58:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-20 06:58:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 06:58:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 06:58:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:58:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2021-11-20 06:58:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2021-11-20 06:58:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2021-11-20 06:58:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2021-11-20 06:58:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2021-11-20 06:58:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2021-11-20 06:58:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:58:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2021-11-20 06:58:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2021-11-20 06:58:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 06:58:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-20 06:58:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-20 06:58:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:58:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:58:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-20 06:58:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-20 06:58:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:58:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:58:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 06:58:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 06:58:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2021-11-20 06:58:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2021-11-20 06:58:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2021-11-20 06:58:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2021-11-20 06:58:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2021-11-20 06:58:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2021-11-20 06:58:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 06:58:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 06:58:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:58:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:58:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2021-11-20 06:58:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2021-11-20 06:58:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-20 06:58:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-20 06:58:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-20 06:58:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-20 06:58:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2021-11-20 06:58:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2021-11-20 06:58:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2021-11-20 06:58:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2021-11-20 06:58:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-20 06:58:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-20 06:58:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:58:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:58:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2021-11-20 06:58:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2021-11-20 06:58:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_add_key [2021-11-20 06:58:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_add_key [2021-11-20 06:58:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 06:58:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 06:58:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2021-11-20 06:58:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2021-11-20 06:58:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_mesh_channel [2021-11-20 06:58:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_mesh_channel [2021-11-20 06:58:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_leave_ibss [2021-11-20 06:58:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_leave_ibss [2021-11-20 06:58:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:58:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:58:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-11-20 06:58:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-11-20 06:58:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:58:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:58:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_worker [2021-11-20 06:58:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_worker [2021-11-20 06:58:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 06:58:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 06:58:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2021-11-20 06:58:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2021-11-20 06:58:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 06:58:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 06:58:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 06:58:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 06:58:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2021-11-20 06:58:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2021-11-20 06:58:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-20 06:58:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-20 06:58:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:58:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:58:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:58:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:58:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2021-11-20 06:58:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2021-11-20 06:58:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-20 06:58:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-20 06:58:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_monitor_channel [2021-11-20 06:58:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_monitor_channel [2021-11-20 06:58:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-20 06:58:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-20 06:58:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:58:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:58:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2021-11-20 06:58:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2021-11-20 06:58:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:58:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:58:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2021-11-20 06:58:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2021-11-20 06:58:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2021-11-20 06:58:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2021-11-20 06:58:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 06:58:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 06:58:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2021-11-20 06:58:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2021-11-20 06:58:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-20 06:58:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-20 06:58:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 06:58:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 06:58:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 06:58:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 06:58:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-20 06:58:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-20 06:58:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-11-20 06:58:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-11-20 06:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-11-20 06:58:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-11-20 06:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2021-11-20 06:58:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2021-11-20 06:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:58:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:58:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2021-11-20 06:58:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2021-11-20 06:58:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_change_intf [2021-11-20 06:58:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_change_intf [2021-11-20 06:58:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2021-11-20 06:58:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2021-11-20 06:58:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 06:58:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 06:58:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:58:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-20 06:58:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-20 06:58:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2021-11-20 06:58:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2021-11-20 06:58:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_del_key [2021-11-20 06:58:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_del_key [2021-11-20 06:58:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2021-11-20 06:58:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2021-11-20 06:58:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:58:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-20 06:58:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-20 06:58:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2021-11-20 06:58:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2021-11-20 06:58:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 06:58:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 06:58:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-20 06:58:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-20 06:58:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-20 06:58:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-20 06:58:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 06:58:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 06:58:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2021-11-20 06:58:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2021-11-20 06:58:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_ibss [2021-11-20 06:58:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_ibss [2021-11-20 06:58:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-20 06:58:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-20 06:58:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-20 06:58:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-20 06:58:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:58:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:58:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-20 06:58:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-20 06:58:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2021-11-20 06:58:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2021-11-20 06:58:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 06:58:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 06:58:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2021-11-20 06:58:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2021-11-20 06:58:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2021-11-20 06:58:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2021-11-20 06:58:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-11-20 06:58:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-11-20 06:58:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_default_key [2021-11-20 06:58:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_default_key [2021-11-20 06:58:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2021-11-20 06:58:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2021-11-20 06:58:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2021-11-20 06:58:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2021-11-20 06:58:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 06:58:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 06:58:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-20 06:58:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-20 06:58:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2021-11-20 06:58:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2021-11-20 06:58:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-11-20 06:58:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-11-20 06:58:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:58:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:58:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2021-11-20 06:58:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2021-11-20 06:58:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:58:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:58:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-20 06:58:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-20 06:58:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-20 06:58:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:58:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2021-11-20 06:58:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2021-11-20 06:58:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-20 06:58:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-20 06:58:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:58:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:58:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2021-11-20 06:58:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2021-11-20 06:58:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_write [2021-11-20 06:58:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_write [2021-11-20 06:58:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2021-11-20 06:58:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2021-11-20 06:58:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2021-11-20 06:58:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2021-11-20 06:58:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 06:58:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 06:58:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_address [2021-11-20 06:58:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_address [2021-11-20 06:58:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 06:58:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 06:58:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 06:58:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 06:58:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2021-11-20 06:58:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2021-11-20 06:58:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2021-11-20 06:58:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2021-11-20 06:58:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2021-11-20 06:58:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2021-11-20 06:58:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 06:58:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 06:58:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2021-11-20 06:58:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2021-11-20 06:58:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-20 06:58:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-20 06:58:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_17 [2021-11-20 06:58:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_17 [2021-11-20 06:58:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_hard_start_xmit [2021-11-20 06:58:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_hard_start_xmit [2021-11-20 06:58:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2021-11-20 06:58:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2021-11-20 06:58:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2021-11-20 06:58:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2021-11-20 06:58:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2021-11-20 06:58:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2021-11-20 06:58:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 06:58:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 06:58:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2021-11-20 06:58:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2021-11-20 06:58:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-20 06:58:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-20 06:58:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2021-11-20 06:58:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2021-11-20 06:58:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:58:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_get_station [2021-11-20 06:58:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_get_station [2021-11-20 06:58:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-20 06:58:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-20 06:58:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_lbs_private [2021-11-20 06:58:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_lbs_private [2021-11-20 06:58:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-20 06:58:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-20 06:58:59,251 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:58:59,257 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:58:59,537 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:06:37,740 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:06:37,781 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:06:37,781 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:06:37,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:06:37 BoogieIcfgContainer [2021-11-20 07:06:37,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:06:37,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:06:37,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:06:37,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:06:37,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:58:44" (1/3) ... [2021-11-20 07:06:37,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc11a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:06:37, skipping insertion in model container [2021-11-20 07:06:37,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:54" (2/3) ... [2021-11-20 07:06:37,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc11a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:06:37, skipping insertion in model container [2021-11-20 07:06:37,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:06:37" (3/3) ... [2021-11-20 07:06:37,799 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2021-11-20 07:06:37,805 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:06:37,805 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:06:37,879 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:06:37,887 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 [2021-11-20 07:06:37,887 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:06:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 5457 states, 4070 states have (on average 1.394840294840295) internal successors, (5677), 4174 states have internal predecessors, (5677), 1200 states have call successors, (1200), 186 states have call predecessors, (1200), 185 states have return successors, (1179), 1158 states have call predecessors, (1179), 1179 states have call successors, (1179) [2021-11-20 07:06:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 07:06:38,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:38,046 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:38,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:06:38,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:38,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1664010501, now seen corresponding path program 1 times [2021-11-20 07:06:38,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:38,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439770550] [2021-11-20 07:06:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:38,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:06:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:06:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:06:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:06:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:06:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:06:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-20 07:06:40,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:40,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439770550] [2021-11-20 07:06:40,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439770550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:40,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:40,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:40,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875265110] [2021-11-20 07:06:40,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:40,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:40,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:40,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:40,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:40,334 INFO L87 Difference]: Start difference. First operand has 5457 states, 4070 states have (on average 1.394840294840295) internal successors, (5677), 4174 states have internal predecessors, (5677), 1200 states have call successors, (1200), 186 states have call predecessors, (1200), 185 states have return successors, (1179), 1158 states have call predecessors, (1179), 1179 states have call successors, (1179) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:06:42,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:44,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:56,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:58,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:00,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:03,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:05,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:10,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:12,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:18,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:20,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:07:20,385 INFO L93 Difference]: Finished difference Result 11638 states and 17544 transitions. [2021-11-20 07:07:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:07:20,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2021-11-20 07:07:20,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:07:20,494 INFO L225 Difference]: With dead ends: 11638 [2021-11-20 07:07:20,494 INFO L226 Difference]: Without dead ends: 6152 [2021-11-20 07:07:20,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:07:20,545 INFO L933 BasicCegarLoop]: 7571 mSDtfsCounter, 4482 mSDsluCounter, 7019 mSDsCounter, 0 mSdLazyCounter, 4475 mSolverCounterSat, 3392 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4588 SdHoareTripleChecker+Valid, 14590 SdHoareTripleChecker+Invalid, 7875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3392 IncrementalHoareTripleChecker+Valid, 4475 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:07:20,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4588 Valid, 14590 Invalid, 7875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3392 Valid, 4475 Invalid, 8 Unknown, 0 Unchecked, 39.2s Time] [2021-11-20 07:07:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6152 states. [2021-11-20 07:07:21,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6152 to 5423. [2021-11-20 07:07:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5423 states, 4059 states have (on average 1.388519339738852) internal successors, (5636), 4140 states have internal predecessors, (5636), 1179 states have call successors, (1179), 185 states have call predecessors, (1179), 184 states have return successors, (1173), 1152 states have call predecessors, (1173), 1173 states have call successors, (1173) [2021-11-20 07:07:21,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 7988 transitions. [2021-11-20 07:07:21,163 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 7988 transitions. Word has length 75 [2021-11-20 07:07:21,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:07:21,163 INFO L470 AbstractCegarLoop]: Abstraction has 5423 states and 7988 transitions. [2021-11-20 07:07:21,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:07:21,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 7988 transitions. [2021-11-20 07:07:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 07:07:21,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:07:21,178 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:07:21,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:07:21,179 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:07:21,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:07:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash -746187647, now seen corresponding path program 1 times [2021-11-20 07:07:21,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:07:21,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016012265] [2021-11-20 07:07:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:07:21,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:07:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:07:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:07:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:07:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:07:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:07:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:07:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:07:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:07:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:07:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-20 07:07:22,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:07:22,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016012265] [2021-11-20 07:07:22,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016012265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:07:22,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:07:22,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:07:22,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491091381] [2021-11-20 07:07:22,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:07:22,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:07:22,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:07:22,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:07:22,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:07:22,651 INFO L87 Difference]: Start difference. First operand 5423 states and 7988 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:07:25,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:27,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:28,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:30,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:45,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:47,149 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:49,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:51,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:53,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:55,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:57,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:00,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:02,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:04,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:10,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:12,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:14,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:28,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:30,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:32,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:35,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:37,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:44,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:08:44,496 INFO L93 Difference]: Finished difference Result 17591 states and 26328 transitions. [2021-11-20 07:08:44,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:08:44,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2021-11-20 07:08:44,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:08:44,623 INFO L225 Difference]: With dead ends: 17591 [2021-11-20 07:08:44,623 INFO L226 Difference]: Without dead ends: 12182 [2021-11-20 07:08:44,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:08:44,666 INFO L933 BasicCegarLoop]: 8445 mSDtfsCounter, 14863 mSDsluCounter, 17545 mSDsCounter, 0 mSdLazyCounter, 10817 mSolverCounterSat, 7219 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15656 SdHoareTripleChecker+Valid, 25990 SdHoareTripleChecker+Invalid, 18055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7219 IncrementalHoareTripleChecker+Valid, 10817 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:08:44,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15656 Valid, 25990 Invalid, 18055 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7219 Valid, 10817 Invalid, 19 Unknown, 0 Unchecked, 80.7s Time] [2021-11-20 07:08:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12182 states. [2021-11-20 07:08:45,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12182 to 10720. [2021-11-20 07:08:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10720 states, 8035 states have (on average 1.3904169259489731) internal successors, (11172), 8192 states have internal predecessors, (11172), 2316 states have call successors, (2316), 369 states have call predecessors, (2316), 368 states have return successors, (2310), 2268 states have call predecessors, (2310), 2310 states have call successors, (2310) [2021-11-20 07:08:45,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10720 states to 10720 states and 15798 transitions. [2021-11-20 07:08:45,555 INFO L78 Accepts]: Start accepts. Automaton has 10720 states and 15798 transitions. Word has length 75 [2021-11-20 07:08:45,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:08:45,556 INFO L470 AbstractCegarLoop]: Abstraction has 10720 states and 15798 transitions. [2021-11-20 07:08:45,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:08:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 10720 states and 15798 transitions. [2021-11-20 07:08:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-20 07:08:45,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:08:45,567 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:45,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:08:45,568 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:08:45,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:45,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1057485044, now seen corresponding path program 1 times [2021-11-20 07:08:45,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:45,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777367370] [2021-11-20 07:08:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:45,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:08:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:08:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:08:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:08:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:08:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:08:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-20 07:08:46,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:08:46,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777367370] [2021-11-20 07:08:46,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777367370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:08:46,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:08:46,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:08:46,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328173529] [2021-11-20 07:08:46,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:08:46,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:08:46,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:08:46,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:08:46,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:08:46,812 INFO L87 Difference]: Start difference. First operand 10720 states and 15798 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 07:08:49,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:00,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:03,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:06,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:11,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:17,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:09:19,331 INFO L93 Difference]: Finished difference Result 22884 states and 34132 transitions. [2021-11-20 07:09:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:09:19,331 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2021-11-20 07:09:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:09:19,435 INFO L225 Difference]: With dead ends: 22884 [2021-11-20 07:09:19,435 INFO L226 Difference]: Without dead ends: 12178 [2021-11-20 07:09:19,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:09:19,503 INFO L933 BasicCegarLoop]: 8992 mSDtfsCounter, 15004 mSDsluCounter, 11899 mSDsCounter, 0 mSdLazyCounter, 5226 mSolverCounterSat, 6503 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15700 SdHoareTripleChecker+Valid, 20891 SdHoareTripleChecker+Invalid, 11735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6503 IncrementalHoareTripleChecker+Valid, 5226 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:09:19,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15700 Valid, 20891 Invalid, 11735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6503 Valid, 5226 Invalid, 6 Unknown, 0 Unchecked, 31.5s Time] [2021-11-20 07:09:19,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12178 states. [2021-11-20 07:09:20,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12178 to 10720. [2021-11-20 07:09:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10720 states, 8035 states have (on average 1.390168014934661) internal successors, (11170), 8192 states have internal predecessors, (11170), 2316 states have call successors, (2316), 369 states have call predecessors, (2316), 368 states have return successors, (2310), 2268 states have call predecessors, (2310), 2310 states have call successors, (2310) [2021-11-20 07:09:20,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10720 states to 10720 states and 15796 transitions. [2021-11-20 07:09:20,317 INFO L78 Accepts]: Start accepts. Automaton has 10720 states and 15796 transitions. Word has length 80 [2021-11-20 07:09:20,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:09:20,318 INFO L470 AbstractCegarLoop]: Abstraction has 10720 states and 15796 transitions. [2021-11-20 07:09:20,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 07:09:20,319 INFO L276 IsEmpty]: Start isEmpty. Operand 10720 states and 15796 transitions. [2021-11-20 07:09:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-20 07:09:20,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:09:20,356 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:09:20,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:09:20,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:09:20,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:09:20,357 INFO L85 PathProgramCache]: Analyzing trace with hash 510666893, now seen corresponding path program 1 times [2021-11-20 07:09:20,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:09:20,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238805459] [2021-11-20 07:09:20,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:09:20,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:09:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:09:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:09:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:09:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:09:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:09:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:09:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:09:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:09:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:09:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:09:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 07:09:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-20 07:09:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:09:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:09:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-20 07:09:21,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:09:21,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238805459] [2021-11-20 07:09:21,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238805459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:09:21,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:09:21,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:09:21,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648337278] [2021-11-20 07:09:21,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:09:21,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:09:21,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:09:21,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:09:21,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:09:21,659 INFO L87 Difference]: Start difference. First operand 10720 states and 15796 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:09:24,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:31,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:39,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:44,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:56,689 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 [] [2021-11-20 07:09:57,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:09:57,851 INFO L93 Difference]: Finished difference Result 34700 states and 52063 transitions. [2021-11-20 07:09:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:09:57,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 167 [2021-11-20 07:09:57,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:09:58,015 INFO L225 Difference]: With dead ends: 34700 [2021-11-20 07:09:58,015 INFO L226 Difference]: Without dead ends: 23994 [2021-11-20 07:09:58,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:09:58,073 INFO L933 BasicCegarLoop]: 8509 mSDtfsCounter, 14848 mSDsluCounter, 14546 mSDsCounter, 0 mSdLazyCounter, 8214 mSolverCounterSat, 7212 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15620 SdHoareTripleChecker+Valid, 23055 SdHoareTripleChecker+Invalid, 15431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7212 IncrementalHoareTripleChecker+Valid, 8214 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:09:58,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15620 Valid, 23055 Invalid, 15431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7212 Valid, 8214 Invalid, 5 Unknown, 0 Unchecked, 35.1s Time] [2021-11-20 07:09:58,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23994 states. [2021-11-20 07:09:59,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23994 to 21731. [2021-11-20 07:09:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21731 states, 16289 states have (on average 1.3884830253545337) internal successors, (22617), 16623 states have internal predecessors, (22617), 4657 states have call successors, (4657), 727 states have call predecessors, (4657), 784 states have return successors, (4929), 4616 states have call predecessors, (4929), 4651 states have call successors, (4929) [2021-11-20 07:09:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21731 states to 21731 states and 32203 transitions. [2021-11-20 07:09:59,794 INFO L78 Accepts]: Start accepts. Automaton has 21731 states and 32203 transitions. Word has length 167 [2021-11-20 07:09:59,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:09:59,797 INFO L470 AbstractCegarLoop]: Abstraction has 21731 states and 32203 transitions. [2021-11-20 07:09:59,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:09:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 21731 states and 32203 transitions. [2021-11-20 07:09:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-20 07:09:59,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:09:59,825 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:09:59,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:09:59,826 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:09:59,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:09:59,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1514811788, now seen corresponding path program 1 times [2021-11-20 07:09:59,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:09:59,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915797877] [2021-11-20 07:09:59,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:09:59,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:10:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:10:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:10:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:10:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:10:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:10:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:10:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-20 07:10:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 07:10:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:10:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:10:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-20 07:10:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 07:10:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 07:10:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:10:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-20 07:10:01,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:10:01,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915797877] [2021-11-20 07:10:01,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915797877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:10:01,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:10:01,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:10:01,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28198148] [2021-11-20 07:10:01,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:10:01,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:10:01,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:10:01,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:10:01,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:10:01,249 INFO L87 Difference]: Start difference. First operand 21731 states and 32203 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:10:03,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:07,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:09,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:14,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:16,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:22,025 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 [] [2021-11-20 07:10:22,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:10:22,484 INFO L93 Difference]: Finished difference Result 45184 states and 67604 transitions. [2021-11-20 07:10:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:10:22,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 204 [2021-11-20 07:10:22,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:10:22,608 INFO L225 Difference]: With dead ends: 45184 [2021-11-20 07:10:22,609 INFO L226 Difference]: Without dead ends: 23467 [2021-11-20 07:10:22,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:10:22,688 INFO L933 BasicCegarLoop]: 7394 mSDtfsCounter, 13333 mSDsluCounter, 3972 mSDsCounter, 0 mSdLazyCounter, 2682 mSolverCounterSat, 5863 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14018 SdHoareTripleChecker+Valid, 11366 SdHoareTripleChecker+Invalid, 8549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5863 IncrementalHoareTripleChecker+Valid, 2682 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:10:22,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14018 Valid, 11366 Invalid, 8549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5863 Valid, 2682 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2021-11-20 07:10:22,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23467 states. [2021-11-20 07:10:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23467 to 21253. [2021-11-20 07:10:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21253 states, 15921 states have (on average 1.3862822687017147) internal successors, (22071), 16253 states have internal predecessors, (22071), 4555 states have call successors, (4555), 721 states have call predecessors, (4555), 776 states have return successors, (4807), 4514 states have call predecessors, (4807), 4549 states have call successors, (4807) [2021-11-20 07:10:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21253 states to 21253 states and 31433 transitions. [2021-11-20 07:10:24,202 INFO L78 Accepts]: Start accepts. Automaton has 21253 states and 31433 transitions. Word has length 204 [2021-11-20 07:10:24,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:10:24,203 INFO L470 AbstractCegarLoop]: Abstraction has 21253 states and 31433 transitions. [2021-11-20 07:10:24,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:10:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 21253 states and 31433 transitions. [2021-11-20 07:10:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-20 07:10:24,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:10:24,249 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:10:24,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:10:24,249 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:10:24,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:10:24,250 INFO L85 PathProgramCache]: Analyzing trace with hash -99857965, now seen corresponding path program 1 times [2021-11-20 07:10:24,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:10:24,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116315348] [2021-11-20 07:10:24,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:10:24,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:10:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:24,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:10:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:10:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:10:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 07:10:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:10:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:10:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:10:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:10:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:10:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:10:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:10:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:10:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:10:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:10:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:10:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:10:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 07:10:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-20 07:10:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:10:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 07:10:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:10:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-20 07:10:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-20 07:10:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 07:10:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:10:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-20 07:10:25,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:10:25,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116315348] [2021-11-20 07:10:25,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116315348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:10:25,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:10:25,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:10:25,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638834879] [2021-11-20 07:10:25,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:10:25,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:10:25,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:10:25,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:10:25,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:10:25,939 INFO L87 Difference]: Start difference. First operand 21253 states and 31433 transitions. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:10:28,293 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:35,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:44,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:45,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:49,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:51,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:10:53,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:02,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:07,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:10,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:11,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:12,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:14,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:11:20,210 INFO L93 Difference]: Finished difference Result 48927 states and 73117 transitions. [2021-11-20 07:11:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:11:20,217 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 314 [2021-11-20 07:11:20,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:11:20,352 INFO L225 Difference]: With dead ends: 48927 [2021-11-20 07:11:20,352 INFO L226 Difference]: Without dead ends: 27688 [2021-11-20 07:11:20,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:11:20,424 INFO L933 BasicCegarLoop]: 10562 mSDtfsCounter, 15254 mSDsluCounter, 20964 mSDsCounter, 0 mSdLazyCounter, 12557 mSolverCounterSat, 6919 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16414 SdHoareTripleChecker+Valid, 31526 SdHoareTripleChecker+Invalid, 19485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6919 IncrementalHoareTripleChecker+Valid, 12557 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:11:20,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16414 Valid, 31526 Invalid, 19485 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6919 Valid, 12557 Invalid, 9 Unknown, 0 Unchecked, 52.8s Time] [2021-11-20 07:11:20,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27688 states. [2021-11-20 07:11:21,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27688 to 24493. [2021-11-20 07:11:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24493 states, 18342 states have (on average 1.38523607022135) internal successors, (25408), 18722 states have internal predecessors, (25408), 5229 states have call successors, (5229), 873 states have call predecessors, (5229), 921 states have return successors, (5446), 5167 states have call predecessors, (5446), 5223 states have call successors, (5446) [2021-11-20 07:11:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24493 states to 24493 states and 36083 transitions. [2021-11-20 07:11:22,030 INFO L78 Accepts]: Start accepts. Automaton has 24493 states and 36083 transitions. Word has length 314 [2021-11-20 07:11:22,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:11:22,031 INFO L470 AbstractCegarLoop]: Abstraction has 24493 states and 36083 transitions. [2021-11-20 07:11:22,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:11:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24493 states and 36083 transitions. [2021-11-20 07:11:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-20 07:11:22,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:11:22,069 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:22,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:11:22,070 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:11:22,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:22,070 INFO L85 PathProgramCache]: Analyzing trace with hash 291574025, now seen corresponding path program 1 times [2021-11-20 07:11:22,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:22,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069842824] [2021-11-20 07:11:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:22,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:11:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:11:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:11:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:11:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:11:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:11:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-20 07:11:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-20 07:11:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-20 07:11:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 07:11:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 07:11:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 07:11:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:11:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 07:11:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-20 07:11:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 07:11:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-20 07:11:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-20 07:11:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-20 07:11:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 07:11:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-20 07:11:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-20 07:11:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 07:11:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-20 07:11:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-20 07:11:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-20 07:11:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-20 07:11:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-20 07:11:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-20 07:11:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-20 07:11:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-20 07:11:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2021-11-20 07:11:25,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:25,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069842824] [2021-11-20 07:11:25,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069842824] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:25,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:25,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:11:25,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754269233] [2021-11-20 07:11:25,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:25,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:11:25,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:25,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:11:25,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:11:25,724 INFO L87 Difference]: Start difference. First operand 24493 states and 36083 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:11:27,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:32,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:36,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:38,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:40,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:42,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:46,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:47,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:11:47,730 INFO L93 Difference]: Finished difference Result 27139 states and 40827 transitions. [2021-11-20 07:11:47,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:11:47,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 530 [2021-11-20 07:11:47,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:11:47,865 INFO L225 Difference]: With dead ends: 27139 [2021-11-20 07:11:47,865 INFO L226 Difference]: Without dead ends: 27136 [2021-11-20 07:11:47,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:11:47,884 INFO L933 BasicCegarLoop]: 7371 mSDtfsCounter, 13272 mSDsluCounter, 3967 mSDsCounter, 0 mSdLazyCounter, 2678 mSolverCounterSat, 5842 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13960 SdHoareTripleChecker+Valid, 11338 SdHoareTripleChecker+Invalid, 8524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5842 IncrementalHoareTripleChecker+Valid, 2678 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:11:47,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13960 Valid, 11338 Invalid, 8524 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5842 Valid, 2678 Invalid, 4 Unknown, 0 Unchecked, 21.2s Time] [2021-11-20 07:11:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27136 states. [2021-11-20 07:11:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27136 to 24492. [2021-11-20 07:11:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24492 states, 18342 states have (on average 1.385181550539745) internal successors, (25407), 18721 states have internal predecessors, (25407), 5228 states have call successors, (5228), 873 states have call predecessors, (5228), 921 states have return successors, (5446), 5167 states have call predecessors, (5446), 5223 states have call successors, (5446) [2021-11-20 07:11:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 36081 transitions. [2021-11-20 07:11:49,607 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 36081 transitions. Word has length 530 [2021-11-20 07:11:49,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:11:49,609 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 36081 transitions. [2021-11-20 07:11:49,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:11:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 36081 transitions. [2021-11-20 07:11:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-11-20 07:11:49,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:11:49,641 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:49,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:11:49,642 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:11:49,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:49,642 INFO L85 PathProgramCache]: Analyzing trace with hash 446861566, now seen corresponding path program 1 times [2021-11-20 07:11:49,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:49,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816857886] [2021-11-20 07:11:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:49,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:11:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:11:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:11:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:11:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:11:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:11:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-20 07:11:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-20 07:11:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-20 07:11:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 07:11:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:11:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 07:11:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:11:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat