./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c4688b1ddb31359a921bfca23d47e7e923ff98a1afc48ce8e9cab3f87b203bbb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:35:02,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:35:02,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:35:02,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:35:02,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:35:02,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:35:02,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:35:02,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:35:02,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:35:02,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:35:02,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:35:02,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:35:02,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:35:02,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:35:02,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:35:02,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:35:02,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:35:02,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:35:02,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:35:02,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:35:02,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:35:02,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:35:02,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:35:02,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:35:02,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:35:02,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:35:02,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:35:02,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:35:02,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:35:02,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:35:02,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:35:02,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:35:02,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:35:02,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:35:02,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:35:02,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:35:02,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:35:02,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:35:02,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:35:02,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:35:02,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:35:02,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:35:02,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:35:02,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:35:02,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:35:02,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:35:02,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:35:02,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:35:02,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:35:02,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:35:02,608 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:35:02,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:35:02,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:35:02,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:35:02,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:35:02,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:35:02,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:35:02,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:35:02,610 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:35:02,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:35:02,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:35:02,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:35:02,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:35:02,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:35:02,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:35:02,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:35:02,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:35:02,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:35:02,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:35:02,613 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:35:02,613 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:35:02,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:35:02,613 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_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4688b1ddb31359a921bfca23d47e7e923ff98a1afc48ce8e9cab3f87b203bbb [2022-11-16 11:35:02,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:35:02,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:35:02,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:35:02,948 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:35:02,949 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:35:02,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-16 11:35:03,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/data/1fa59e4f4/8a6afa81f3e94e26a054261c22604870/FLAGdce0bdb5a [2022-11-16 11:35:04,155 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:35:04,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-16 11:35:04,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/data/1fa59e4f4/8a6afa81f3e94e26a054261c22604870/FLAGdce0bdb5a [2022-11-16 11:35:04,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/data/1fa59e4f4/8a6afa81f3e94e26a054261c22604870 [2022-11-16 11:35:04,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:35:04,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:35:04,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:35:04,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:35:04,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:35:04,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:04" (1/1) ... [2022-11-16 11:35:04,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47521534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:04, skipping insertion in model container [2022-11-16 11:35:04,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:04" (1/1) ... [2022-11-16 11:35:04,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:35:04,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:35:11,576 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[634007,634020] [2022-11-16 11:35:11,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:35:12,106 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:35:12,815 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[634007,634020] [2022-11-16 11:35:12,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:35:13,171 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:35:13,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13 WrapperNode [2022-11-16 11:35:13,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:35:13,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:35:13,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:35:13,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:35:13,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:13,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,172 INFO L138 Inliner]: procedures = 748, calls = 8937, calls flagged for inlining = 319, calls inlined = 304, statements flattened = 16098 [2022-11-16 11:35:14,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:35:14,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:35:14,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:35:14,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:35:14,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:14,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:35:15,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:35:15,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:35:15,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:35:15,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (1/1) ... [2022-11-16 11:35:15,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:35:15,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:35:15,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:35:15,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672ebdb7-196b-4492-aec5-ff1c9f5be454/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:35:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 11:35:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 11:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 11:35:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 11:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2022-11-16 11:35:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2022-11-16 11:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2022-11-16 11:35:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2022-11-16 11:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2022-11-16 11:35:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2022-11-16 11:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:35:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 11:35:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 11:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-16 11:35:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-16 11:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2022-11-16 11:35:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2022-11-16 11:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2022-11-16 11:35:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2022-11-16 11:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:35:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:35:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-16 11:35:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-16 11:35:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2022-11-16 11:35:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2022-11-16 11:35:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-16 11:35:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-16 11:35:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2022-11-16 11:35:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2022-11-16 11:35:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2022-11-16 11:35:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2022-11-16 11:35:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2022-11-16 11:35:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2022-11-16 11:35:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2022-11-16 11:35:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2022-11-16 11:35:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2022-11-16 11:35:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2022-11-16 11:35:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2022-11-16 11:35:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2022-11-16 11:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-16 11:35:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-16 11:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:35:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2022-11-16 11:35:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2022-11-16 11:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2022-11-16 11:35:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2022-11-16 11:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2022-11-16 11:35:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2022-11-16 11:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2022-11-16 11:35:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2022-11-16 11:35:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-16 11:35:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-16 11:35:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2022-11-16 11:35:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2022-11-16 11:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-16 11:35:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-16 11:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2022-11-16 11:35:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2022-11-16 11:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:35:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2022-11-16 11:35:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2022-11-16 11:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2022-11-16 11:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2022-11-16 11:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2022-11-16 11:35:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2022-11-16 11:35:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2022-11-16 11:35:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2022-11-16 11:35:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2022-11-16 11:35:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2022-11-16 11:35:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-16 11:35:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-16 11:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:35:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2022-11-16 11:35:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2022-11-16 11:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-16 11:35:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-16 11:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:35:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-16 11:35:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-16 11:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2022-11-16 11:35:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2022-11-16 11:35:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2022-11-16 11:35:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2022-11-16 11:35:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2022-11-16 11:35:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2022-11-16 11:35:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2022-11-16 11:35:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2022-11-16 11:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2022-11-16 11:35:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2022-11-16 11:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2022-11-16 11:35:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2022-11-16 11:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2022-11-16 11:35:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2022-11-16 11:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2022-11-16 11:35:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2022-11-16 11:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2022-11-16 11:35:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2022-11-16 11:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2022-11-16 11:35:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2022-11-16 11:35:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:35:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:35:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2022-11-16 11:35:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2022-11-16 11:35:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:35:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:35:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2022-11-16 11:35:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2022-11-16 11:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-16 11:35:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-16 11:35:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2022-11-16 11:35:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2022-11-16 11:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2022-11-16 11:35:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2022-11-16 11:35:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2022-11-16 11:35:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2022-11-16 11:35:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2022-11-16 11:35:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2022-11-16 11:35:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 11:35:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 11:35:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-16 11:35:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-16 11:35:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:35:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2022-11-16 11:35:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2022-11-16 11:35:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2022-11-16 11:35:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2022-11-16 11:35:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-16 11:35:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-16 11:35:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2022-11-16 11:35:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2022-11-16 11:35:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2022-11-16 11:35:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2022-11-16 11:35:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:35:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-16 11:35:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-16 11:35:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2022-11-16 11:35:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2022-11-16 11:35:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:35:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2022-11-16 11:35:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2022-11-16 11:35:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:35:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:35:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:35:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 11:35:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 11:35:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2022-11-16 11:35:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2022-11-16 11:35:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-11-16 11:35:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-11-16 11:35:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:35:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:35:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2022-11-16 11:35:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2022-11-16 11:35:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 11:35:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 11:35:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2022-11-16 11:35:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2022-11-16 11:35:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2022-11-16 11:35:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2022-11-16 11:35:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2022-11-16 11:35:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2022-11-16 11:35:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-16 11:35:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-16 11:35:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:35:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:35:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2022-11-16 11:35:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2022-11-16 11:35:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2022-11-16 11:35:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2022-11-16 11:35:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2022-11-16 11:35:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2022-11-16 11:35:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2022-11-16 11:35:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2022-11-16 11:35:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2022-11-16 11:35:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2022-11-16 11:35:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2022-11-16 11:35:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2022-11-16 11:35:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 11:35:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 11:35:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 11:35:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 11:35:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2022-11-16 11:35:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2022-11-16 11:35:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 11:35:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 11:35:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2022-11-16 11:35:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2022-11-16 11:35:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2022-11-16 11:35:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2022-11-16 11:35:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-16 11:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-16 11:35:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2022-11-16 11:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2022-11-16 11:35:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 11:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 11:35:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 11:35:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 11:35:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2022-11-16 11:35:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2022-11-16 11:35:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 11:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 11:35:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2022-11-16 11:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2022-11-16 11:35:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2022-11-16 11:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2022-11-16 11:35:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:35:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-16 11:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-16 11:35:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2022-11-16 11:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2022-11-16 11:35:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:35:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 11:35:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 11:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2022-11-16 11:35:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2022-11-16 11:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2022-11-16 11:35:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2022-11-16 11:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2022-11-16 11:35:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2022-11-16 11:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-16 11:35:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-16 11:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2022-11-16 11:35:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2022-11-16 11:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:35:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 11:35:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 11:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2022-11-16 11:35:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2022-11-16 11:35:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2022-11-16 11:35:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2022-11-16 11:35:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-16 11:35:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-16 11:35:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-16 11:35:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-16 11:35:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2022-11-16 11:35:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2022-11-16 11:35:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2022-11-16 11:35:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2022-11-16 11:35:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2022-11-16 11:35:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2022-11-16 11:35:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2022-11-16 11:35:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2022-11-16 11:35:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2022-11-16 11:35:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2022-11-16 11:35:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-11-16 11:35:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-11-16 11:35:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2022-11-16 11:35:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2022-11-16 11:35:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:35:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:35:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:35:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:35:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:35:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:35:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-16 11:35:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-16 11:35:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2022-11-16 11:35:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2022-11-16 11:35:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 11:35:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 11:35:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:35:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:35:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2022-11-16 11:35:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2022-11-16 11:35:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2022-11-16 11:35:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2022-11-16 11:35:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:35:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:35:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 11:35:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 11:35:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 11:35:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 11:35:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-16 11:35:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-16 11:35:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:35:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:35:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:35:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2022-11-16 11:35:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2022-11-16 11:35:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2022-11-16 11:35:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2022-11-16 11:35:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2022-11-16 11:35:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2022-11-16 11:35:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:35:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-16 11:35:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-16 11:35:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-16 11:35:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-16 11:35:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2022-11-16 11:35:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2022-11-16 11:35:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:35:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2022-11-16 11:35:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2022-11-16 11:35:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-16 11:35:15,243 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-16 11:35:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-16 11:35:15,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-16 11:35:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 11:35:15,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 11:35:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-16 11:35:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-16 11:35:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-11-16 11:35:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-11-16 11:35:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 11:35:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 11:35:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2022-11-16 11:35:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2022-11-16 11:35:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2022-11-16 11:35:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2022-11-16 11:35:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2022-11-16 11:35:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2022-11-16 11:35:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:35:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:35:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 11:35:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 11:35:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-16 11:35:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-16 11:35:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2022-11-16 11:35:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2022-11-16 11:35:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-16 11:35:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-16 11:35:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 11:35:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 11:35:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2022-11-16 11:35:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2022-11-16 11:35:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2022-11-16 11:35:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2022-11-16 11:35:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2022-11-16 11:35:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2022-11-16 11:35:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-16 11:35:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-16 11:35:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2022-11-16 11:35:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2022-11-16 11:35:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2022-11-16 11:35:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2022-11-16 11:35:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2022-11-16 11:35:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2022-11-16 11:35:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:35:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:35:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 11:35:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 11:35:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2022-11-16 11:35:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2022-11-16 11:35:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-16 11:35:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-16 11:35:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:35:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:35:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-16 11:35:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-16 11:35:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2022-11-16 11:35:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2022-11-16 11:35:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:35:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2022-11-16 11:35:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2022-11-16 11:35:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2022-11-16 11:35:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2022-11-16 11:35:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 11:35:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 11:35:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:35:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:35:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags___0 [2022-11-16 11:35:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags___0 [2022-11-16 11:35:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2022-11-16 11:35:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2022-11-16 11:35:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2022-11-16 11:35:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2022-11-16 11:35:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2022-11-16 11:35:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2022-11-16 11:35:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 11:35:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 11:35:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2022-11-16 11:35:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2022-11-16 11:35:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2022-11-16 11:35:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2022-11-16 11:35:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2022-11-16 11:35:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2022-11-16 11:35:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2022-11-16 11:35:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2022-11-16 11:35:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-16 11:35:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-16 11:35:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-16 11:35:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-16 11:35:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2022-11-16 11:35:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2022-11-16 11:35:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_zd_chip [2022-11-16 11:35:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_zd_chip [2022-11-16 11:35:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2022-11-16 11:35:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2022-11-16 11:35:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_zd_chip [2022-11-16 11:35:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_zd_chip [2022-11-16 11:35:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2022-11-16 11:35:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2022-11-16 11:35:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2022-11-16 11:35:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2022-11-16 11:35:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-16 11:35:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-16 11:35:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2022-11-16 11:35:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2022-11-16 11:35:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-16 11:35:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-16 11:35:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-16 11:35:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-16 11:35:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2022-11-16 11:35:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2022-11-16 11:35:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 11:35:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 11:35:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2022-11-16 11:35:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2022-11-16 11:35:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2022-11-16 11:35:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2022-11-16 11:35:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:35:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:35:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2022-11-16 11:35:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2022-11-16 11:35:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2022-11-16 11:35:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2022-11-16 11:35:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2022-11-16 11:35:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2022-11-16 11:35:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2022-11-16 11:35:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2022-11-16 11:35:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:35:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2022-11-16 11:35:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2022-11-16 11:35:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-16 11:35:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-16 11:35:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2022-11-16 11:35:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2022-11-16 11:35:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-16 11:35:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-16 11:35:17,077 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:35:17,082 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:35:17,651 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:39:30,457 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:39:30,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:39:30,504 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:39:30,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:30 BoogieIcfgContainer [2022-11-16 11:39:30,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:39:30,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:39:30,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:39:30,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:39:30,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:35:04" (1/3) ... [2022-11-16 11:39:30,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c563614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:30, skipping insertion in model container [2022-11-16 11:39:30,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:13" (2/3) ... [2022-11-16 11:39:30,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c563614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:30, skipping insertion in model container [2022-11-16 11:39:30,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:30" (3/3) ... [2022-11-16 11:39:30,528 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-16 11:39:30,563 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:39:30,563 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:39:30,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:39:30,753 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@89f0792, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:39:30,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:39:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 4226 states, 2789 states have (on average 1.3191107923987093) internal successors, (3679), 2900 states have internal predecessors, (3679), 1222 states have call successors, (1222), 214 states have call predecessors, (1222), 213 states have return successors, (1216), 1207 states have call predecessors, (1216), 1216 states have call successors, (1216) [2022-11-16 11:39:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 11:39:30,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:30,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:30,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:30,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:30,814 INFO L85 PathProgramCache]: Analyzing trace with hash 999099468, now seen corresponding path program 1 times [2022-11-16 11:39:30,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:30,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737111654] [2022-11-16 11:39:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:30,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:39:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:39:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:32,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:32,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737111654] [2022-11-16 11:39:32,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737111654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:32,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:32,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:39:32,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906968524] [2022-11-16 11:39:32,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:32,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:39:32,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:32,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:39:32,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:39:32,836 INFO L87 Difference]: Start difference. First operand has 4226 states, 2789 states have (on average 1.3191107923987093) internal successors, (3679), 2900 states have internal predecessors, (3679), 1222 states have call successors, (1222), 214 states have call predecessors, (1222), 213 states have return successors, (1216), 1207 states have call predecessors, (1216), 1216 states have call successors, (1216) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:39:54,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:02,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:07,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:13,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:15,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:17,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:20,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:22,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:25,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:27,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:30,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:32,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:35,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:38,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:40,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:41,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:40:41,569 INFO L93 Difference]: Finished difference Result 9183 states and 13967 transitions. [2022-11-16 11:40:41,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:40:41,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-11-16 11:40:41,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:40:41,643 INFO L225 Difference]: With dead ends: 9183 [2022-11-16 11:40:41,644 INFO L226 Difference]: Without dead ends: 4940 [2022-11-16 11:40:41,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:40:41,687 INFO L413 NwaCegarLoop]: 5177 mSDtfsCounter, 2454 mSDsluCounter, 3022 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 3031 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 8199 SdHoareTripleChecker+Invalid, 5878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3031 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:40:41,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 8199 Invalid, 5878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3031 Valid, 2835 Invalid, 12 Unknown, 0 Unchecked, 67.8s Time] [2022-11-16 11:40:41,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2022-11-16 11:40:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4205. [2022-11-16 11:40:42,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 2776 states have (on average 1.3126801152737753) internal successors, (3644), 2879 states have internal predecessors, (3644), 1216 states have call successors, (1216), 213 states have call predecessors, (1216), 212 states have return successors, (1207), 1198 states have call predecessors, (1207), 1207 states have call successors, (1207) [2022-11-16 11:40:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6067 transitions. [2022-11-16 11:40:42,057 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 6067 transitions. Word has length 50 [2022-11-16 11:40:42,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:40:42,058 INFO L495 AbstractCegarLoop]: Abstraction has 4205 states and 6067 transitions. [2022-11-16 11:40:42,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:40:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 6067 transitions. [2022-11-16 11:40:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 11:40:42,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:40:42,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:40:42,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:40:42,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:40:42,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:40:42,063 INFO L85 PathProgramCache]: Analyzing trace with hash -846267698, now seen corresponding path program 1 times [2022-11-16 11:40:42,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:40:42,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191364623] [2022-11-16 11:40:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:40:42,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:40:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:40:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:40:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:40:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:40:43,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:40:43,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191364623] [2022-11-16 11:40:43,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191364623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:40:43,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:40:43,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:40:43,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447941118] [2022-11-16 11:40:43,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:40:43,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:40:43,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:40:43,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:40:43,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:40:43,883 INFO L87 Difference]: Start difference. First operand 4205 states and 6067 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:41:07,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:19,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:28,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:30,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:33,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:35,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:37,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:39,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:45,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:47,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:50,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:53,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:55,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:57,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:59,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:02,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:03,835 INFO L93 Difference]: Finished difference Result 5601 states and 8237 transitions. [2022-11-16 11:42:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:42:03,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-11-16 11:42:03,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:03,890 INFO L225 Difference]: With dead ends: 5601 [2022-11-16 11:42:03,890 INFO L226 Difference]: Without dead ends: 5598 [2022-11-16 11:42:03,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:42:03,901 INFO L413 NwaCegarLoop]: 5220 mSDtfsCounter, 8031 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 3397 mSolverCounterSat, 4662 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8738 SdHoareTripleChecker+Valid, 8975 SdHoareTripleChecker+Invalid, 8071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4662 IncrementalHoareTripleChecker+Valid, 3397 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:03,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8738 Valid, 8975 Invalid, 8071 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4662 Valid, 3397 Invalid, 12 Unknown, 0 Unchecked, 79.1s Time] [2022-11-16 11:42:03,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5598 states. [2022-11-16 11:42:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5598 to 4748. [2022-11-16 11:42:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4748 states, 3134 states have (on average 1.3082322910019144) internal successors, (4100), 3253 states have internal predecessors, (4100), 1350 states have call successors, (1350), 264 states have call predecessors, (1350), 263 states have return successors, (1342), 1333 states have call predecessors, (1342), 1342 states have call successors, (1342) [2022-11-16 11:42:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4748 states to 4748 states and 6792 transitions. [2022-11-16 11:42:04,252 INFO L78 Accepts]: Start accepts. Automaton has 4748 states and 6792 transitions. Word has length 50 [2022-11-16 11:42:04,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:04,253 INFO L495 AbstractCegarLoop]: Abstraction has 4748 states and 6792 transitions. [2022-11-16 11:42:04,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:42:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4748 states and 6792 transitions. [2022-11-16 11:42:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:42:04,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:04,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:42:04,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:42:04,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:04,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:04,262 INFO L85 PathProgramCache]: Analyzing trace with hash -466547834, now seen corresponding path program 1 times [2022-11-16 11:42:04,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:04,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977775041] [2022-11-16 11:42:04,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:04,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:42:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:42:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:06,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:42:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:42:06,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:06,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977775041] [2022-11-16 11:42:06,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977775041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:42:06,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:42:06,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:42:06,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920784175] [2022-11-16 11:42:06,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:06,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:42:06,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:06,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:42:06,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:42:06,154 INFO L87 Difference]: Start difference. First operand 4748 states and 6792 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:42:33,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:50,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:52,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:00,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:02,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:05,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:07,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:09,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:12,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:16,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:22,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:24,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:28,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:33,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:34,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:38,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:40,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:41,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:41,939 INFO L93 Difference]: Finished difference Result 6329 states and 9233 transitions. [2022-11-16 11:43:41,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:43:41,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-16 11:43:41,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:41,990 INFO L225 Difference]: With dead ends: 6329 [2022-11-16 11:43:41,990 INFO L226 Difference]: Without dead ends: 6326 [2022-11-16 11:43:41,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:43:41,997 INFO L413 NwaCegarLoop]: 5195 mSDtfsCounter, 7037 mSDsluCounter, 5651 mSDsCounter, 0 mSdLazyCounter, 4952 mSolverCounterSat, 2900 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7751 SdHoareTripleChecker+Valid, 10846 SdHoareTripleChecker+Invalid, 7864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2900 IncrementalHoareTripleChecker+Valid, 4952 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:41,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7751 Valid, 10846 Invalid, 7864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2900 Valid, 4952 Invalid, 12 Unknown, 0 Unchecked, 95.0s Time] [2022-11-16 11:43:42,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6326 states. [2022-11-16 11:43:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6326 to 5331. [2022-11-16 11:43:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 3512 states have (on average 1.3041002277904328) internal successors, (4580), 3654 states have internal predecessors, (4580), 1496 states have call successors, (1496), 323 states have call predecessors, (1496), 322 states have return successors, (1489), 1480 states have call predecessors, (1489), 1489 states have call successors, (1489) [2022-11-16 11:43:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 7565 transitions. [2022-11-16 11:43:42,420 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 7565 transitions. Word has length 51 [2022-11-16 11:43:42,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:42,421 INFO L495 AbstractCegarLoop]: Abstraction has 5331 states and 7565 transitions. [2022-11-16 11:43:42,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:43:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 7565 transitions. [2022-11-16 11:43:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 11:43:42,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:42,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:42,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:43:42,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:42,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:42,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1580129071, now seen corresponding path program 1 times [2022-11-16 11:43:42,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:42,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244379654] [2022-11-16 11:43:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:42,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:43:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:43:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:44,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:44,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244379654] [2022-11-16 11:43:44,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244379654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:44,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:44,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:43:44,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327652657] [2022-11-16 11:43:44,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:44,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:43:44,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:44,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:43:44,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:43:44,094 INFO L87 Difference]: Start difference. First operand 5331 states and 7565 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:44:13,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:15,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:32,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:34,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:36,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:44,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:46,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:49,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:51,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:53,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:56,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:06,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:08,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:10,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:13,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:17,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:19,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:24,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:25,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:29,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:31,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:33,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:33,006 INFO L93 Difference]: Finished difference Result 6328 states and 9231 transitions. [2022-11-16 11:45:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:45:33,007 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), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-16 11:45:33,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:33,053 INFO L225 Difference]: With dead ends: 6328 [2022-11-16 11:45:33,054 INFO L226 Difference]: Without dead ends: 6325 [2022-11-16 11:45:33,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:45:33,060 INFO L413 NwaCegarLoop]: 5188 mSDtfsCounter, 7035 mSDsluCounter, 5645 mSDsCounter, 0 mSdLazyCounter, 4957 mSolverCounterSat, 2903 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7752 SdHoareTripleChecker+Valid, 10833 SdHoareTripleChecker+Invalid, 7875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2903 IncrementalHoareTripleChecker+Valid, 4957 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:33,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7752 Valid, 10833 Invalid, 7875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2903 Valid, 4957 Invalid, 15 Unknown, 0 Unchecked, 107.9s Time] [2022-11-16 11:45:33,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6325 states. [2022-11-16 11:45:33,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6325 to 5330. [2022-11-16 11:45:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5330 states, 3512 states have (on average 1.3038154897494305) internal successors, (4579), 3653 states have internal predecessors, (4579), 1495 states have call successors, (1495), 323 states have call predecessors, (1495), 322 states have return successors, (1489), 1480 states have call predecessors, (1489), 1489 states have call successors, (1489) [2022-11-16 11:45:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 7563 transitions. [2022-11-16 11:45:33,448 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 7563 transitions. Word has length 52 [2022-11-16 11:45:33,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:33,449 INFO L495 AbstractCegarLoop]: Abstraction has 5330 states and 7563 transitions. [2022-11-16 11:45:33,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:45:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 7563 transitions. [2022-11-16 11:45:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-16 11:45:33,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:33,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:33,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:45:33,454 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:33,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:33,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1741404183, now seen corresponding path program 1 times [2022-11-16 11:45:33,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:33,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439779763] [2022-11-16 11:45:33,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:33,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:45:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:45:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:45:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:34,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:34,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439779763] [2022-11-16 11:45:34,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439779763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:34,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:34,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:45:34,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026607191] [2022-11-16 11:45:34,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:34,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:45:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:34,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:45:34,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:45:34,909 INFO L87 Difference]: Start difference. First operand 5330 states and 7563 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:46:03,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:18,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:20,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:24,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:27,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:29,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:32,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:34,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:36,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:38,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:47,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:49,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:53,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:57,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:01,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:02,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:05,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:05,316 INFO L93 Difference]: Finished difference Result 12891 states and 18498 transitions. [2022-11-16 11:47:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:47:05,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2022-11-16 11:47:05,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:05,366 INFO L225 Difference]: With dead ends: 12891 [2022-11-16 11:47:05,367 INFO L226 Difference]: Without dead ends: 7571 [2022-11-16 11:47:05,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:47:05,397 INFO L413 NwaCegarLoop]: 5826 mSDtfsCounter, 6666 mSDsluCounter, 5842 mSDsCounter, 0 mSdLazyCounter, 4461 mSolverCounterSat, 4352 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7311 SdHoareTripleChecker+Valid, 11668 SdHoareTripleChecker+Invalid, 8824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4352 IncrementalHoareTripleChecker+Valid, 4461 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:47:05,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7311 Valid, 11668 Invalid, 8824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4352 Valid, 4461 Invalid, 11 Unknown, 0 Unchecked, 89.4s Time] [2022-11-16 11:47:05,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2022-11-16 11:47:05,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 6367. [2022-11-16 11:47:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6367 states, 4196 states have (on average 1.2936129647283128) internal successors, (5428), 4360 states have internal predecessors, (5428), 1745 states have call successors, (1745), 427 states have call predecessors, (1745), 425 states have return successors, (1746), 1729 states have call predecessors, (1746), 1737 states have call successors, (1746) [2022-11-16 11:47:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6367 states to 6367 states and 8919 transitions. [2022-11-16 11:47:05,827 INFO L78 Accepts]: Start accepts. Automaton has 6367 states and 8919 transitions. Word has length 53 [2022-11-16 11:47:05,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:47:05,830 INFO L495 AbstractCegarLoop]: Abstraction has 6367 states and 8919 transitions. [2022-11-16 11:47:05,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:47:05,831 INFO L276 IsEmpty]: Start isEmpty. Operand 6367 states and 8919 transitions. [2022-11-16 11:47:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 11:47:05,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:47:05,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:05,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:47:05,833 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:47:05,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:05,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1849006804, now seen corresponding path program 1 times [2022-11-16 11:47:05,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:05,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292312023] [2022-11-16 11:47:05,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:05,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:47:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:47:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:47:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:47:07,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:07,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292312023] [2022-11-16 11:47:07,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292312023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:07,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:07,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:07,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590803397] [2022-11-16 11:47:07,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:07,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:47:07,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:07,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:47:07,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:47:07,116 INFO L87 Difference]: Start difference. First operand 6367 states and 8919 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:47:31,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:43,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:45,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:51,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:53,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:56,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:47:58,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:00,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:02,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:11,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:13,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:18,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:25,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:29,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:30,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:31,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:34,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:35,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:39,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:41,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:48:51,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:02,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:04,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:06,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:09,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:09,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:49:09,637 INFO L93 Difference]: Finished difference Result 13718 states and 19836 transitions. [2022-11-16 11:49:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:49:09,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-16 11:49:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:49:09,745 INFO L225 Difference]: With dead ends: 13718 [2022-11-16 11:49:09,745 INFO L226 Difference]: Without dead ends: 13706 [2022-11-16 11:49:09,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:49:09,762 INFO L413 NwaCegarLoop]: 6009 mSDtfsCounter, 9779 mSDsluCounter, 7698 mSDsCounter, 0 mSdLazyCounter, 6001 mSolverCounterSat, 6876 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10750 SdHoareTripleChecker+Valid, 13707 SdHoareTripleChecker+Invalid, 12893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6876 IncrementalHoareTripleChecker+Valid, 6001 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:49:09,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10750 Valid, 13707 Invalid, 12893 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6876 Valid, 6001 Invalid, 16 Unknown, 0 Unchecked, 121.0s Time] [2022-11-16 11:49:09,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13706 states. [2022-11-16 11:49:10,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13706 to 11825. [2022-11-16 11:49:10,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11825 states, 7821 states have (on average 1.296381536887866) internal successors, (10139), 8134 states have internal predecessors, (10139), 3204 states have call successors, (3204), 775 states have call predecessors, (3204), 799 states have return successors, (3371), 3184 states have call predecessors, (3371), 3195 states have call successors, (3371) [2022-11-16 11:49:10,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11825 states to 11825 states and 16714 transitions. [2022-11-16 11:49:10,724 INFO L78 Accepts]: Start accepts. Automaton has 11825 states and 16714 transitions. Word has length 54 [2022-11-16 11:49:10,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:49:10,724 INFO L495 AbstractCegarLoop]: Abstraction has 11825 states and 16714 transitions. [2022-11-16 11:49:10,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:49:10,725 INFO L276 IsEmpty]: Start isEmpty. Operand 11825 states and 16714 transitions. [2022-11-16 11:49:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 11:49:10,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:49:10,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:10,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:49:10,729 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:49:10,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:10,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1565615838, now seen corresponding path program 1 times [2022-11-16 11:49:10,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:10,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976620332] [2022-11-16 11:49:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:10,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:49:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:49:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:49:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 11:49:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:49:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:49:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:49:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:49:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:49:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:49:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 11:49:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:49:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:12,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:49:12,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976620332] [2022-11-16 11:49:12,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976620332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:49:12,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:49:12,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:49:12,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595442630] [2022-11-16 11:49:12,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:49:12,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:49:12,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:49:12,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:49:12,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:49:12,681 INFO L87 Difference]: Start difference. First operand 11825 states and 16714 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)