./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa --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 ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:42:20,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:42:20,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:42:20,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:42:20,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:42:20,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:42:20,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:42:20,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:42:20,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:42:20,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:42:20,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:42:20,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:42:20,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:42:20,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:42:20,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:42:20,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:42:20,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:42:20,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:42:20,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:42:20,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:42:20,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:42:20,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:42:20,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:42:20,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:42:20,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:42:20,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:42:20,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:42:20,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:42:20,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:42:20,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:42:20,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:42:20,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:42:20,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:42:20,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:42:20,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:42:20,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:42:20,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:42:20,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:42:20,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:42:20,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:42:20,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:42:20,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 17:42:20,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:42:20,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:42:20,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:42:20,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:42:20,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:42:20,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:42:20,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:42:20,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:42:20,173 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:42:20,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:42:20,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:42:20,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:42:20,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:42:20,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:42:20,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:42:20,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:42:20,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:42:20,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:42:20,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:42:20,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:42:20,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:42:20,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:42:20,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:42:20,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:42:20,176 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_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa [2021-12-06 17:42:20,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:42:20,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:42:20,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:42:20,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:42:20,379 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:42:20,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 17:42:20,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/data/2afed97d0/2d895bdac3444a718aa3cad4d70ad5b7/FLAG51032ffc9 [2021-12-06 17:42:21,128 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:42:21,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 17:42:21,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/data/2afed97d0/2d895bdac3444a718aa3cad4d70ad5b7/FLAG51032ffc9 [2021-12-06 17:42:21,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/data/2afed97d0/2d895bdac3444a718aa3cad4d70ad5b7 [2021-12-06 17:42:21,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:42:21,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:42:21,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:42:21,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:42:21,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:42:21,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:21" (1/1) ... [2021-12-06 17:42:21,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5fba06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:21, skipping insertion in model container [2021-12-06 17:42:21,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:21" (1/1) ... [2021-12-06 17:42:21,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:42:21,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:42:26,117 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_b5e63c8b-e595-4407-866e-46249be77961/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2021-12-06 17:42:26,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:42:26,235 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:42:26,740 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_b5e63c8b-e595-4407-866e-46249be77961/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2021-12-06 17:42:26,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:42:26,926 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:42:26,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26 WrapperNode [2021-12-06 17:42:26,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:42:26,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:42:26,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:42:26,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:42:26,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,419 INFO L137 Inliner]: procedures = 662, calls = 8707, calls flagged for inlining = 271, calls inlined = 268, statements flattened = 15877 [2021-12-06 17:42:27,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:42:27,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:42:27,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:42:27,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:42:27,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:42:27,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:42:27,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:42:27,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:42:27,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (1/1) ... [2021-12-06 17:42:27,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:42:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:42:27,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:42:27,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e63c8b-e595-4407-866e-46249be77961/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:42:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 17:42:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 17:42:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-12-06 17:42:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-12-06 17:42:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-12-06 17:42:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-12-06 17:42:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-12-06 17:42:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-12-06 17:42:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 17:42:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 17:42:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-06 17:42:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-06 17:42:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-06 17:42:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-06 17:42:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-12-06 17:42:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-12-06 17:42:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 17:42:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 17:42:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-12-06 17:42:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-12-06 17:42:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 17:42:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 17:42:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-06 17:42:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-06 17:42:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-12-06 17:42:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-12-06 17:42:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-06 17:42:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-06 17:42:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-12-06 17:42:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-12-06 17:42:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-12-06 17:42:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-12-06 17:42:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-12-06 17:42:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-12-06 17:42:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-12-06 17:42:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-12-06 17:42:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-12-06 17:42:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-12-06 17:42:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-12-06 17:42:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-12-06 17:42:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-12-06 17:42:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-12-06 17:42:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 17:42:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 17:42:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-12-06 17:42:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-12-06 17:42:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-12-06 17:42:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-12-06 17:42:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-12-06 17:42:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-12-06 17:42:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 17:42:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-12-06 17:42:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-12-06 17:42:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-06 17:42:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-06 17:42:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-12-06 17:42:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-12-06 17:42:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-06 17:42:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-06 17:42:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-12-06 17:42:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-12-06 17:42:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 17:42:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 17:42:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:42:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-12-06 17:42:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-12-06 17:42:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 17:42:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 17:42:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-12-06 17:42:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-12-06 17:42:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-12-06 17:42:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-12-06 17:42:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-12-06 17:42:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-12-06 17:42:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-12-06 17:42:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-12-06 17:42:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-06 17:42:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-06 17:42:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 17:42:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 17:42:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-12-06 17:42:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-12-06 17:42:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-06 17:42:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-06 17:42:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 17:42:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 17:42:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 17:42:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 17:42:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-12-06 17:42:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-12-06 17:42:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-12-06 17:42:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-12-06 17:42:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2021-12-06 17:42:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2021-12-06 17:42:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-12-06 17:42:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-12-06 17:42:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:42:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-12-06 17:42:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-12-06 17:42:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-12-06 17:42:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-12-06 17:42:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-12-06 17:42:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-12-06 17:42:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-12-06 17:42:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-12-06 17:42:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-12-06 17:42:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-12-06 17:42:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-12-06 17:42:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-12-06 17:42:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 17:42:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 17:42:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-12-06 17:42:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-12-06 17:42:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 17:42:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 17:42:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 17:42:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 17:42:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-12-06 17:42:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-12-06 17:42:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-06 17:42:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-06 17:42:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-12-06 17:42:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-12-06 17:42:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-12-06 17:42:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-12-06 17:42:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-12-06 17:42:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-12-06 17:42:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-12-06 17:42:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-12-06 17:42:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 17:42:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 17:42:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-06 17:42:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-06 17:42:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:42:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-12-06 17:42:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-12-06 17:42:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-06 17:42:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-12-06 17:42:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-12-06 17:42:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 17:42:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-12-06 17:42:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-12-06 17:42:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-06 17:42:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-12-06 17:42:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-12-06 17:42:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 17:42:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:42:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:42:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 17:42:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 17:42:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-12-06 17:42:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-12-06 17:42:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-12-06 17:42:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-12-06 17:42:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:42:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:42:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-12-06 17:42:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-12-06 17:42:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 17:42:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 17:42:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-12-06 17:42:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-12-06 17:42:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-12-06 17:42:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-12-06 17:42:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-12-06 17:42:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-12-06 17:42:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-12-06 17:42:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-12-06 17:42:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-06 17:42:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-06 17:42:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-12-06 17:42:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-12-06 17:42:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-12-06 17:42:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-12-06 17:42:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-12-06 17:42:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-12-06 17:42:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-12-06 17:42:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-12-06 17:42:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-12-06 17:42:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-12-06 17:42:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-12-06 17:42:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-12-06 17:42:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-06 17:42:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-06 17:42:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 17:42:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 17:42:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-12-06 17:42:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-12-06 17:42:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 17:42:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 17:42:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-12-06 17:42:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-12-06 17:42:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-12-06 17:42:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-12-06 17:42:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-06 17:42:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-06 17:42:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-12-06 17:42:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-12-06 17:42:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 17:42:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 17:42:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 17:42:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 17:42:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-12-06 17:42:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-12-06 17:42:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-06 17:42:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-06 17:42:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-06 17:42:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-06 17:42:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-12-06 17:42:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-12-06 17:42:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-12-06 17:42:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-12-06 17:42:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:42:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:42:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-06 17:42:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-06 17:42:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-12-06 17:42:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-12-06 17:42:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-06 17:42:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-06 17:42:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 17:42:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 17:42:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-12-06 17:42:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-12-06 17:42:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-12-06 17:42:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-12-06 17:42:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-12-06 17:42:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-12-06 17:42:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-06 17:42:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-12-06 17:42:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 17:42:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 17:42:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2021-12-06 17:42:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-12-06 17:42:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-12-06 17:42:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-06 17:42:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-06 17:42:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-06 17:42:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-06 17:42:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-12-06 17:42:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-12-06 17:42:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-12-06 17:42:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-12-06 17:42:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-12-06 17:42:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-12-06 17:42:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-12-06 17:42:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-12-06 17:42:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-12-06 17:42:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-12-06 17:42:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-06 17:42:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-06 17:42:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-12-06 17:42:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-12-06 17:42:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 17:42:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 17:42:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-06 17:42:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-06 17:42:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 17:42:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 17:42:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-06 17:42:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-06 17:42:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-12-06 17:42:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-12-06 17:42:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 17:42:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 17:42:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-12-06 17:42:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-12-06 17:42:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 17:42:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-06 17:42:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 17:42:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 17:42:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-12-06 17:42:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-12-06 17:42:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-12-06 17:42:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-06 17:42:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-06 17:42:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-06 17:42:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-12-06 17:42:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-12-06 17:42:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:42:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-12-06 17:42:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-12-06 17:42:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-06 17:42:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-06 17:42:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 17:42:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 17:42:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 17:42:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 17:42:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-06 17:42:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-06 17:42:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-12-06 17:42:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-12-06 17:42:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2021-12-06 17:42:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 17:42:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-12-06 17:42:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-12-06 17:42:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 17:42:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 17:42:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-06 17:42:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-12-06 17:42:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-12-06 17:42:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-06 17:42:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-06 17:42:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-12-06 17:42:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-12-06 17:42:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-12-06 17:42:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-12-06 17:42:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-12-06 17:42:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-12-06 17:42:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-06 17:42:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-06 17:42:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-12-06 17:42:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-12-06 17:42:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-12-06 17:42:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-12-06 17:42:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-12-06 17:42:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-12-06 17:42:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 17:42:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 17:42:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 17:42:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 17:42:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-12-06 17:42:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-12-06 17:42:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-06 17:42:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-06 17:42:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 17:42:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 17:42:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-06 17:42:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-06 17:42:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-12-06 17:42:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-12-06 17:42:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:42:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-12-06 17:42:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-12-06 17:42:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-12-06 17:42:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-12-06 17:42:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 17:42:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 17:42:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 17:42:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 17:42:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-12-06 17:42:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-12-06 17:42:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-12-06 17:42:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-12-06 17:42:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-12-06 17:42:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-12-06 17:42:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 17:42:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 17:42:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-12-06 17:42:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-12-06 17:42:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-12-06 17:42:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-12-06 17:42:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-12-06 17:42:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-12-06 17:42:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-12-06 17:42:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-12-06 17:42:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-06 17:42:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-06 17:42:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-12-06 17:42:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-12-06 17:42:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-12-06 17:42:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-12-06 17:42:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2021-12-06 17:42:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2021-12-06 17:42:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-06 17:42:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-06 17:42:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2021-12-06 17:42:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2021-12-06 17:42:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 17:42:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 17:42:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-06 17:42:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-12-06 17:42:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 17:42:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-12-06 17:42:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-12-06 17:42:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 17:42:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-12-06 17:42:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-12-06 17:42:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-12-06 17:42:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-12-06 17:42:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-12-06 17:42:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-12-06 17:42:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-12-06 17:42:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:42:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-12-06 17:42:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-12-06 17:42:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-06 17:42:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-06 17:42:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-12-06 17:42:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-12-06 17:42:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-06 17:42:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-06 17:42:28,657 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:42:28,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:42:33,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 17:46:26,848 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:46:26,870 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:46:26,870 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 17:46:26,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:26 BoogieIcfgContainer [2021-12-06 17:46:26,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:46:26,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:46:26,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:46:26,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:46:26,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:42:21" (1/3) ... [2021-12-06 17:46:26,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc229ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:46:26, skipping insertion in model container [2021-12-06 17:46:26,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:26" (2/3) ... [2021-12-06 17:46:26,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc229ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:46:26, skipping insertion in model container [2021-12-06 17:46:26,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:26" (3/3) ... [2021-12-06 17:46:26,881 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 17:46:26,885 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:46:26,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:46:26,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:46:26,955 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 [2021-12-06 17:46:26,955 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:46:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 4089 states, 2723 states have (on average 1.3187660668380463) internal successors, (3591), 2826 states have internal predecessors, (3591), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) [2021-12-06 17:46:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-06 17:46:27,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:46:27,060 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 17:46:27,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:46:27,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:46:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash -227046202, now seen corresponding path program 1 times [2021-12-06 17:46:27,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:46:27,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657537684] [2021-12-06 17:46:27,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:46:27,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:46:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:46:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:46:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:46:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:46:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:46:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:46:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 17:46:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:46:28,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:46:28,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657537684] [2021-12-06 17:46:28,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657537684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:46:28,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:46:28,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:46:28,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256700135] [2021-12-06 17:46:28,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:46:28,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:46:28,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:46:28,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:46:28,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:46:28,212 INFO L87 Difference]: Start difference. First operand has 4089 states, 2723 states have (on average 1.3187660668380463) internal successors, (3591), 2826 states have internal predecessors, (3591), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 17:46:34,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:46:48,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:08,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:10,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:12,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:15,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:17,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:19,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:26,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:28,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:30,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:33,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:35,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:37,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:39,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:41,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:47:46,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:47:46,381 INFO L93 Difference]: Finished difference Result 8887 states and 13380 transitions. [2021-12-06 17:47:46,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:47:46,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2021-12-06 17:47:46,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:47:46,438 INFO L225 Difference]: With dead ends: 8887 [2021-12-06 17:47:46,438 INFO L226 Difference]: Without dead ends: 4779 [2021-12-06 17:47:46,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:47:46,470 INFO L933 BasicCegarLoop]: 5535 mSDtfsCounter, 1399 mSDsluCounter, 4873 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 1463 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1736 SdHoareTripleChecker+Valid, 10408 SdHoareTripleChecker+Invalid, 5173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1463 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:47:46,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1736 Valid, 10408 Invalid, 5173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1463 Valid, 3697 Invalid, 13 Unknown, 0 Unchecked, 77.5s Time] [2021-12-06 17:47:46,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4779 states. [2021-12-06 17:47:46,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4779 to 4066. [2021-12-06 17:47:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4066 states, 2708 states have (on average 1.3146233382570163) internal successors, (3560), 2804 states have internal predecessors, (3560), 1151 states have call successors, (1151), 207 states have call predecessors, (1151), 206 states have return successors, (1149), 1140 states have call predecessors, (1149), 1149 states have call successors, (1149) [2021-12-06 17:47:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 4066 states and 5860 transitions. [2021-12-06 17:47:46,734 INFO L78 Accepts]: Start accepts. Automaton has 4066 states and 5860 transitions. Word has length 62 [2021-12-06 17:47:46,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:47:46,735 INFO L470 AbstractCegarLoop]: Abstraction has 4066 states and 5860 transitions. [2021-12-06 17:47:46,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 17:47:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 5860 transitions. [2021-12-06 17:47:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-06 17:47:46,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:47:46,739 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 17:47:46,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:47:46,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:47:46,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:46,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2039334984, now seen corresponding path program 1 times [2021-12-06 17:47:46,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:46,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592311713] [2021-12-06 17:47:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:46,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:47:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:47:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:47:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:47:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:47:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:47:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 17:47:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:47:47,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:47,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592311713] [2021-12-06 17:47:47,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592311713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:47,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:47,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:47:47,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506518382] [2021-12-06 17:47:47,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:47,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:47:47,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:47,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:47:47,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:47:47,601 INFO L87 Difference]: Start difference. First operand 4066 states and 5860 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 17:47:57,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:48:00,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:48:28,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:48:40,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:48:42,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:48:57,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:10,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:12,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:14,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:17,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:19,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:21,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:32,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:35,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:38,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:40,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:42,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:49,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:50,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:49:53,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:49:53,657 INFO L93 Difference]: Finished difference Result 12245 states and 17915 transitions. [2021-12-06 17:49:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:49:53,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2021-12-06 17:49:53,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:49:53,718 INFO L225 Difference]: With dead ends: 12245 [2021-12-06 17:49:53,718 INFO L226 Difference]: Without dead ends: 8189 [2021-12-06 17:49:53,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:49:53,735 INFO L933 BasicCegarLoop]: 7446 mSDtfsCounter, 5603 mSDsluCounter, 11453 mSDsCounter, 0 mSdLazyCounter, 6822 mSolverCounterSat, 3070 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6381 SdHoareTripleChecker+Valid, 18899 SdHoareTripleChecker+Invalid, 9903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3070 IncrementalHoareTripleChecker+Valid, 6822 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:49:53,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6381 Valid, 18899 Invalid, 9903 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3070 Valid, 6822 Invalid, 11 Unknown, 0 Unchecked, 125.0s Time] [2021-12-06 17:49:53,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2021-12-06 17:49:53,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 7060. [2021-12-06 17:49:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7060 states, 4683 states have (on average 1.3119795003203074) internal successors, (6144), 4856 states have internal predecessors, (6144), 1992 states have call successors, (1992), 377 states have call predecessors, (1992), 384 states have return successors, (2012), 1980 states have call predecessors, (2012), 1990 states have call successors, (2012) [2021-12-06 17:49:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7060 states to 7060 states and 10148 transitions. [2021-12-06 17:49:54,032 INFO L78 Accepts]: Start accepts. Automaton has 7060 states and 10148 transitions. Word has length 62 [2021-12-06 17:49:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:49:54,033 INFO L470 AbstractCegarLoop]: Abstraction has 7060 states and 10148 transitions. [2021-12-06 17:49:54,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 17:49:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 7060 states and 10148 transitions. [2021-12-06 17:49:54,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 17:49:54,038 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:49:54,039 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 17:49:54,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:49:54,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:49:54,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:49:54,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1465338227, now seen corresponding path program 1 times [2021-12-06 17:49:54,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:49:54,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941497467] [2021-12-06 17:49:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:49:54,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:49:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:49:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:49:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:49:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:49:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:49:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:49:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:49:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 17:49:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:49:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:49:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:49:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:49:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:49:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:49:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:49:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:49:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 17:49:55,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:49:55,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941497467] [2021-12-06 17:49:55,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941497467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:49:55,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:49:55,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:49:55,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963630503] [2021-12-06 17:49:55,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:49:55,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:49:55,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:49:55,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:49:55,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:49:55,430 INFO L87 Difference]: Start difference. First operand 7060 states and 10148 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 17:50:03,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:50:05,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:50:46,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:50:48,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:50:50,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:00,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:08,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:10,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:12,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:14,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:16,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:18,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:33,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:35,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:38,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:40,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:45,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:47,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:53,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:55,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:51:57,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:52:07,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:52:07,149 INFO L93 Difference]: Finished difference Result 10710 states and 15682 transitions. [2021-12-06 17:52:07,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 17:52:07,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2021-12-06 17:52:07,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:52:07,226 INFO L225 Difference]: With dead ends: 10710 [2021-12-06 17:52:07,226 INFO L226 Difference]: Without dead ends: 10695 [2021-12-06 17:52:07,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-12-06 17:52:07,232 INFO L933 BasicCegarLoop]: 5048 mSDtfsCounter, 11298 mSDsluCounter, 5106 mSDsCounter, 0 mSdLazyCounter, 6859 mSolverCounterSat, 11009 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11675 SdHoareTripleChecker+Valid, 10154 SdHoareTripleChecker+Invalid, 17885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11009 IncrementalHoareTripleChecker+Valid, 6859 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:52:07,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11675 Valid, 10154 Invalid, 17885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11009 Valid, 6859 Invalid, 17 Unknown, 0 Unchecked, 129.7s Time] [2021-12-06 17:52:07,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10695 states. [2021-12-06 17:52:07,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10695 to 8847. [2021-12-06 17:52:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8847 states, 5902 states have (on average 1.3053202304303626) internal successors, (7704), 6115 states have internal predecessors, (7704), 2392 states have call successors, (2392), 514 states have call predecessors, (2392), 552 states have return successors, (2490), 2410 states have call predecessors, (2490), 2391 states have call successors, (2490) [2021-12-06 17:52:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 12586 transitions. [2021-12-06 17:52:07,622 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 12586 transitions. Word has length 106 [2021-12-06 17:52:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:52:07,623 INFO L470 AbstractCegarLoop]: Abstraction has 8847 states and 12586 transitions. [2021-12-06 17:52:07,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 17:52:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 12586 transitions. [2021-12-06 17:52:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-06 17:52:07,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:52:07,647 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:52:07,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:52:07,648 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:52:07,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:52:07,648 INFO L85 PathProgramCache]: Analyzing trace with hash -823511431, now seen corresponding path program 1 times [2021-12-06 17:52:07,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:52:07,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199501795] [2021-12-06 17:52:07,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:52:07,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:52:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:52:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:52:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:52:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:52:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:52:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:52:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:52:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 17:52:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:52:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 17:52:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:52:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:52:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:52:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-06 17:52:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 17:52:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-06 17:52:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:52:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:52:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:52:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:52:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 17:52:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-06 17:52:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:52:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:52:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 17:52:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-06 17:52:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-06 17:52:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-06 17:52:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:52:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:52:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 17:52:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-06 17:52:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-06 17:52:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:52:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:52:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 17:52:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:52:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-06 17:52:09,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:52:09,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199501795] [2021-12-06 17:52:09,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199501795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:52:09,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:52:09,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:52:09,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580776474] [2021-12-06 17:52:09,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:52:09,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:52:09,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:52:09,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:52:09,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:52:09,312 INFO L87 Difference]: Start difference. First operand 8847 states and 12586 transitions. Second operand has 8 states, 8 states have (on average 23.875) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-06 17:52:27,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:52:29,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:03,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:05,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:16,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:21,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:23,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:36,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:37,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:39,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:40,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:54:58,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:01,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:03,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:05,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:08,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:10,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:33,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:36,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:38,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:40,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:42,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:45,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:47,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:49,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:52,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:54,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:56,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:55:59,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:03,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:05,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:07,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:09,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:11,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:13,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:24,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:27,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:29,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:56:31,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []