./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc --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 fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 --- 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-5e519f3 [2022-11-02 21:09:27,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:09:27,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:09:27,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:09:27,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:09:27,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:09:27,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:09:27,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:09:27,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:09:27,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:09:27,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:09:27,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:09:27,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:09:27,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:09:27,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:09:27,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:09:27,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:09:27,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:09:27,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:09:27,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:09:27,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:09:27,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:09:27,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:09:27,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:09:27,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:09:27,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:09:27,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:09:27,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:09:27,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:09:27,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:09:27,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:09:27,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:09:27,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:09:27,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:09:27,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:09:27,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:09:27,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:09:27,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:09:27,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:09:27,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:09:27,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:09:27,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:09:27,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:09:27,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:09:27,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:09:27,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:09:27,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:09:27,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:09:27,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:09:27,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:09:27,633 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:09:27,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:09:27,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:09:27,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:09:27,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:09:27,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:09:27,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:09:27,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:09:27,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:09:27,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:09:27,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:09:27,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:09:27,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:09:27,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:09:27,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:09:27,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:09:27,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:09:27,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:09:27,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:09:27,636 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:09:27,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:09:27,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:09:27,637 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_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 [2022-11-02 21:09:27,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:09:27,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:09:27,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:09:27,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:09:27,964 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:09:27,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-11-02 21:09:28,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/data/7c31de915/5d24369183d14bcb88236cc3a42099ae/FLAGde4cc7a30 [2022-11-02 21:09:29,197 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:09:29,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-11-02 21:09:29,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/data/7c31de915/5d24369183d14bcb88236cc3a42099ae/FLAGde4cc7a30 [2022-11-02 21:09:29,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/data/7c31de915/5d24369183d14bcb88236cc3a42099ae [2022-11-02 21:09:29,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:09:29,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:09:29,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:09:29,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:09:29,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:09:29,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:09:29" (1/1) ... [2022-11-02 21:09:29,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e87718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:29, skipping insertion in model container [2022-11-02 21:09:29,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:09:29" (1/1) ... [2022-11-02 21:09:29,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:09:29,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:09:31,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2022-11-02 21:09:33,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:09:33,667 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:09:33,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2022-11-02 21:09:34,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:09:34,411 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:09:34,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34 WrapperNode [2022-11-02 21:09:34,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:09:34,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:09:34,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:09:34,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:09:34,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:34,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:34,885 INFO L138 Inliner]: procedures = 418, calls = 3842, calls flagged for inlining = 181, calls inlined = 158, statements flattened = 7829 [2022-11-02 21:09:34,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:09:34,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:09:34,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:09:34,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:09:34,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:34,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:09:35,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:09:35,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:09:35,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:09:35,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (1/1) ... [2022-11-02 21:09:35,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:09:35,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:09:35,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:09:35,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d739f46-40e2-45be-a2e4-d7d30f120443/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:09:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-11-02 21:09:35,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-11-02 21:09:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-11-02 21:09:35,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-11-02 21:09:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-11-02 21:09:35,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-11-02 21:09:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 21:09:35,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 21:09:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2022-11-02 21:09:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2022-11-02 21:09:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 21:09:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 21:09:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:09:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:09:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2022-11-02 21:09:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2022-11-02 21:09:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-02 21:09:35,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-02 21:09:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 21:09:35,868 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 21:09:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 21:09:35,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 21:09:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:09:35,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:09:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 21:09:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 21:09:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 21:09:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 21:09:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2022-11-02 21:09:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2022-11-02 21:09:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-11-02 21:09:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-11-02 21:09:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-11-02 21:09:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-11-02 21:09:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 21:09:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 21:09:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 21:09:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-11-02 21:09:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-11-02 21:09:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-02 21:09:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-02 21:09:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-11-02 21:09:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-11-02 21:09:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-02 21:09:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-11-02 21:09:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-11-02 21:09:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2022-11-02 21:09:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2022-11-02 21:09:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 21:09:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 21:09:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:09:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 21:09:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 21:09:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 21:09:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 21:09:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2022-11-02 21:09:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2022-11-02 21:09:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-11-02 21:09:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-11-02 21:09:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-11-02 21:09:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-11-02 21:09:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-11-02 21:09:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-11-02 21:09:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:09:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:09:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-02 21:09:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-02 21:09:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:09:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:09:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:09:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:09:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-11-02 21:09:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-11-02 21:09:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:09:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 21:09:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 21:09:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-02 21:09:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-02 21:09:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-11-02 21:09:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-11-02 21:09:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-11-02 21:09:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-11-02 21:09:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:09:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:09:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-11-02 21:09:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-11-02 21:09:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2022-11-02 21:09:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2022-11-02 21:09:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-02 21:09:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-02 21:09:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-02 21:09:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-02 21:09:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2022-11-02 21:09:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2022-11-02 21:09:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 21:09:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 21:09:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:09:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:09:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-11-02 21:09:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-11-02 21:09:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-11-02 21:09:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-11-02 21:09:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-02 21:09:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-02 21:09:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-02 21:09:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-11-02 21:09:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-11-02 21:09:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:09:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2022-11-02 21:09:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2022-11-02 21:09:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-02 21:09:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-02 21:09:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:09:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-02 21:09:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-02 21:09:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:09:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:09:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:09:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:09:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-11-02 21:09:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-11-02 21:09:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-11-02 21:09:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-11-02 21:09:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-02 21:09:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-02 21:09:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 21:09:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 21:09:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-11-02 21:09:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-11-02 21:09:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:09:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:09:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-02 21:09:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-02 21:09:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-11-02 21:09:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-11-02 21:09:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:09:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:09:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-02 21:09:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-02 21:09:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-02 21:09:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-02 21:09:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 21:09:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 21:09:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-11-02 21:09:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-11-02 21:09:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-11-02 21:09:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-11-02 21:09:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:09:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:09:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-02 21:09:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-02 21:09:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:09:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:09:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-11-02 21:09:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-11-02 21:09:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2022-11-02 21:09:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2022-11-02 21:09:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 21:09:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 21:09:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 21:09:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 21:09:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-02 21:09:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-02 21:09:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-11-02 21:09:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-11-02 21:09:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-11-02 21:09:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-11-02 21:09:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-02 21:09:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-02 21:09:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-11-02 21:09:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-11-02 21:09:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-11-02 21:09:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-11-02 21:09:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-11-02 21:09:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-11-02 21:09:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-11-02 21:09:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-11-02 21:09:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 21:09:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 21:09:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-02 21:09:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-02 21:09:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-02 21:09:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-02 21:09:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:09:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:09:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 21:09:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 21:09:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-02 21:09:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-02 21:09:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-11-02 21:09:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-11-02 21:09:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 21:09:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 21:09:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-11-02 21:09:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-11-02 21:09:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:09:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:09:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-02 21:09:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-02 21:09:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 21:09:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 21:09:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2022-11-02 21:09:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2022-11-02 21:09:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:09:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:09:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 21:09:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 21:09:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-02 21:09:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-02 21:09:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-11-02 21:09:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-11-02 21:09:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-11-02 21:09:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-11-02 21:09:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 21:09:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 21:09:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:09:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-11-02 21:09:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-11-02 21:09:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:09:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-02 21:09:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-02 21:09:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-11-02 21:09:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-11-02 21:09:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2022-11-02 21:09:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2022-11-02 21:09:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-11-02 21:09:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-11-02 21:09:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2022-11-02 21:09:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2022-11-02 21:09:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-11-02 21:09:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-11-02 21:09:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-11-02 21:09:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-11-02 21:09:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-11-02 21:09:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-11-02 21:09:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:09:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 21:09:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 21:09:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-02 21:09:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-02 21:09:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-11-02 21:09:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-11-02 21:09:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-11-02 21:09:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-11-02 21:09:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 21:09:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 21:09:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-11-02 21:09:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-11-02 21:09:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-11-02 21:09:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-11-02 21:09:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-02 21:09:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-02 21:09:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-11-02 21:09:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-11-02 21:09:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 21:09:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 21:09:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-02 21:09:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-02 21:09:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-11-02 21:09:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-11-02 21:09:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-02 21:09:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-02 21:09:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-02 21:09:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-02 21:09:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-02 21:09:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-02 21:09:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2022-11-02 21:09:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2022-11-02 21:09:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-11-02 21:09:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-11-02 21:09:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-11-02 21:09:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-11-02 21:09:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-11-02 21:09:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-11-02 21:09:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-11-02 21:09:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-11-02 21:09:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:09:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:09:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-02 21:09:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-02 21:09:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:09:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-02 21:09:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-02 21:09:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:09:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:09:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-02 21:09:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-02 21:09:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-02 21:09:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-02 21:09:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-11-02 21:09:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-11-02 21:09:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 21:09:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 21:09:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2022-11-02 21:09:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2022-11-02 21:09:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 21:09:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 21:09:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-02 21:09:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-02 21:09:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-11-02 21:09:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-11-02 21:09:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2022-11-02 21:09:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2022-11-02 21:09:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-02 21:09:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-02 21:09:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 21:09:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 21:09:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-11-02 21:09:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-11-02 21:09:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2022-11-02 21:09:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2022-11-02 21:09:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-11-02 21:09:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-11-02 21:09:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-02 21:09:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-02 21:09:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 21:09:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 21:09:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 21:09:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 21:09:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-11-02 21:09:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-11-02 21:09:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-11-02 21:09:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-11-02 21:09:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:09:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:09:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-11-02 21:09:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-11-02 21:09:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-02 21:09:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-02 21:09:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:09:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-11-02 21:09:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-11-02 21:09:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-11-02 21:09:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-11-02 21:09:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-11-02 21:09:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-11-02 21:09:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-02 21:09:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-02 21:09:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-02 21:09:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-02 21:09:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-02 21:09:37,204 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:09:37,208 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:09:42,390 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:09:55,667 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:09:55,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:09:55,708 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:09:55,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:55 BoogieIcfgContainer [2022-11-02 21:09:55,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:09:55,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:09:55,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:09:55,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:09:55,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:09:29" (1/3) ... [2022-11-02 21:09:55,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368aaa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:55, skipping insertion in model container [2022-11-02 21:09:55,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:34" (2/3) ... [2022-11-02 21:09:55,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368aaa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:55, skipping insertion in model container [2022-11-02 21:09:55,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:55" (3/3) ... [2022-11-02 21:09:55,728 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-11-02 21:09:55,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:09:55,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:09:55,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:09:55,909 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;@6a69dc49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:09:55,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:09:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 3046 states, 2163 states have (on average 1.387424872861766) internal successors, (3001), 2233 states have internal predecessors, (3001), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) [2022-11-02 21:09:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-02 21:09:55,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:55,966 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:55,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:55,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:55,979 INFO L85 PathProgramCache]: Analyzing trace with hash -295509175, now seen corresponding path program 1 times [2022-11-02 21:09:55,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:55,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914888144] [2022-11-02 21:09:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:55,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:09:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:09:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:09:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:09:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:09:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:09:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:09:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:09:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:09:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:09:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:09:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:09:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:09:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:09:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:09:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 21:09:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:09:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 21:09:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:09:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 21:09:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 21:09:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 21:09:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 21:09:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:09:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 21:09:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 21:09:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 21:09:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 21:09:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 21:09:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-11-02 21:09:57,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:57,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914888144] [2022-11-02 21:09:57,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914888144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:57,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:57,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:09:57,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875294025] [2022-11-02 21:09:57,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:57,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:09:57,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:58,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:09:58,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:09:58,020 INFO L87 Difference]: Start difference. First operand has 3046 states, 2163 states have (on average 1.387424872861766) internal successors, (3001), 2233 states have internal predecessors, (3001), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-02 21:10:02,738 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 [] [2022-11-02 21:10:04,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:09,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:11,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:20,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:22,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:27,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:29,709 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 [] [2022-11-02 21:10:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:42,939 INFO L93 Difference]: Finished difference Result 10834 states and 16911 transitions. [2022-11-02 21:10:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:42,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2022-11-02 21:10:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:43,017 INFO L225 Difference]: With dead ends: 10834 [2022-11-02 21:10:43,018 INFO L226 Difference]: Without dead ends: 7733 [2022-11-02 21:10:43,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:10:43,051 INFO L413 NwaCegarLoop]: 4767 mSDtfsCounter, 10117 mSDsluCounter, 6594 mSDsCounter, 0 mSdLazyCounter, 6743 mSolverCounterSat, 5048 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10637 SdHoareTripleChecker+Valid, 11361 SdHoareTripleChecker+Invalid, 11799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5048 IncrementalHoareTripleChecker+Valid, 6743 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:43,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10637 Valid, 11361 Invalid, 11799 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5048 Valid, 6743 Invalid, 8 Unknown, 0 Unchecked, 43.7s Time] [2022-11-02 21:10:43,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7733 states. [2022-11-02 21:10:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7733 to 5947. [2022-11-02 21:10:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5947 states, 4241 states have (on average 1.3791558594671067) internal successors, (5849), 4357 states have internal predecessors, (5849), 1389 states have call successors, (1389), 317 states have call predecessors, (1389), 316 states have return successors, (1388), 1368 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-11-02 21:10:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5947 states to 5947 states and 8626 transitions. [2022-11-02 21:10:43,607 INFO L78 Accepts]: Start accepts. Automaton has 5947 states and 8626 transitions. Word has length 199 [2022-11-02 21:10:43,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:43,609 INFO L495 AbstractCegarLoop]: Abstraction has 5947 states and 8626 transitions. [2022-11-02 21:10:43,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-02 21:10:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 5947 states and 8626 transitions. [2022-11-02 21:10:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-02 21:10:43,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:43,618 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:43,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:10:43,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:43,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:43,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1626075355, now seen corresponding path program 1 times [2022-11-02 21:10:43,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:43,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244691971] [2022-11-02 21:10:43,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:43,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:10:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:10:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:10:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:10:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:10:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:10:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:10:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:10:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:10:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:10:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:10:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 21:10:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:10:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 21:10:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:10:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 21:10:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 21:10:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 21:10:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 21:10:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:10:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 21:10:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 21:10:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 21:10:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 21:10:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 21:10:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-11-02 21:10:45,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:45,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244691971] [2022-11-02 21:10:45,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244691971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:45,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:45,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:10:45,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891382193] [2022-11-02 21:10:45,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:45,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:10:45,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:10:45,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:10:45,019 INFO L87 Difference]: Start difference. First operand 5947 states and 8626 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-02 21:10:52,836 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 [] [2022-11-02 21:10:54,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:57,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:59,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:07,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:09,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:11,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:13,153 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 [] [2022-11-02 21:11:36,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:36,478 INFO L93 Difference]: Finished difference Result 21274 states and 32156 transitions. [2022-11-02 21:11:36,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:11:36,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 202 [2022-11-02 21:11:36,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:36,621 INFO L225 Difference]: With dead ends: 21274 [2022-11-02 21:11:36,621 INFO L226 Difference]: Without dead ends: 15386 [2022-11-02 21:11:36,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:11:36,668 INFO L413 NwaCegarLoop]: 4736 mSDtfsCounter, 10188 mSDsluCounter, 12893 mSDsCounter, 0 mSdLazyCounter, 11657 mSolverCounterSat, 5102 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10734 SdHoareTripleChecker+Valid, 17629 SdHoareTripleChecker+Invalid, 16767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5102 IncrementalHoareTripleChecker+Valid, 11657 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:36,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10734 Valid, 17629 Invalid, 16767 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5102 Valid, 11657 Invalid, 8 Unknown, 0 Unchecked, 50.1s Time] [2022-11-02 21:11:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15386 states. [2022-11-02 21:11:37,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15386 to 11872. [2022-11-02 21:11:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11872 states, 8480 states have (on average 1.380306603773585) internal successors, (11705), 8720 states have internal predecessors, (11705), 2749 states have call successors, (2749), 633 states have call predecessors, (2749), 642 states have return successors, (2818), 2710 states have call predecessors, (2818), 2748 states have call successors, (2818) [2022-11-02 21:11:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11872 states to 11872 states and 17272 transitions. [2022-11-02 21:11:37,556 INFO L78 Accepts]: Start accepts. Automaton has 11872 states and 17272 transitions. Word has length 202 [2022-11-02 21:11:37,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:37,558 INFO L495 AbstractCegarLoop]: Abstraction has 11872 states and 17272 transitions. [2022-11-02 21:11:37,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-02 21:11:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11872 states and 17272 transitions. [2022-11-02 21:11:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-02 21:11:37,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:37,582 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:37,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:11:37,582 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:37,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:37,583 INFO L85 PathProgramCache]: Analyzing trace with hash -304879233, now seen corresponding path program 1 times [2022-11-02 21:11:37,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:37,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591710623] [2022-11-02 21:11:37,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:37,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:11:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:11:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:11:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:11:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:11:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:11:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:11:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:11:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:11:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:11:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:11:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:11:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:11:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:11:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 21:11:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:11:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 21:11:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:11:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 21:11:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 21:11:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 21:11:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 21:11:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:11:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 21:11:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 21:11:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 21:11:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 21:11:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 21:11:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-02 21:11:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:11:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:11:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-11-02 21:11:38,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:38,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591710623] [2022-11-02 21:11:38,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591710623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:38,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:38,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:11:38,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632687052] [2022-11-02 21:11:38,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:38,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:11:38,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:38,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:11:38,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:11:38,458 INFO L87 Difference]: Start difference. First operand 11872 states and 17272 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-02 21:11:45,121 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 [] [2022-11-02 21:11:47,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:49,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:56,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:58,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:00,160 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 [] [2022-11-02 21:12:17,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:12:17,863 INFO L93 Difference]: Finished difference Result 31796 states and 47363 transitions. [2022-11-02 21:12:17,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 21:12:17,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 238 [2022-11-02 21:12:17,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:12:18,020 INFO L225 Difference]: With dead ends: 31796 [2022-11-02 21:12:18,020 INFO L226 Difference]: Without dead ends: 19988 [2022-11-02 21:12:18,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:12:18,089 INFO L413 NwaCegarLoop]: 4465 mSDtfsCounter, 5037 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 9125 mSolverCounterSat, 2985 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5339 SdHoareTripleChecker+Valid, 10659 SdHoareTripleChecker+Invalid, 12116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2985 IncrementalHoareTripleChecker+Valid, 9125 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:12:18,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5339 Valid, 10659 Invalid, 12116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2985 Valid, 9125 Invalid, 6 Unknown, 0 Unchecked, 38.2s Time] [2022-11-02 21:12:18,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19988 states. [2022-11-02 21:12:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19988 to 15840. [2022-11-02 21:12:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15840 states, 11334 states have (on average 1.3722428092465149) internal successors, (15553), 11674 states have internal predecessors, (15553), 3523 states have call successors, (3523), 923 states have call predecessors, (3523), 982 states have return successors, (3890), 3512 states have call predecessors, (3890), 3522 states have call successors, (3890) [2022-11-02 21:12:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15840 states to 15840 states and 22966 transitions. [2022-11-02 21:12:19,293 INFO L78 Accepts]: Start accepts. Automaton has 15840 states and 22966 transitions. Word has length 238 [2022-11-02 21:12:19,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:12:19,294 INFO L495 AbstractCegarLoop]: Abstraction has 15840 states and 22966 transitions. [2022-11-02 21:12:19,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-02 21:12:19,294 INFO L276 IsEmpty]: Start isEmpty. Operand 15840 states and 22966 transitions. [2022-11-02 21:12:19,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-02 21:12:19,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:12:19,314 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:19,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:12:19,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:12:19,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:19,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1206045788, now seen corresponding path program 1 times [2022-11-02 21:12:19,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:19,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099920810] [2022-11-02 21:12:19,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:19,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:12:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:12:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:12:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:12:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:12:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:12:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:12:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:12:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:12:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:12:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:12:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:12:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:12:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:12:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 21:12:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:12:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 21:12:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:12:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 21:12:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 21:12:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 21:12:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 21:12:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:12:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 21:12:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 21:12:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 21:12:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 21:12:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 21:12:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 21:12:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 21:12:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:12:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:12:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-02 21:12:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:12:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:12:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2022-11-02 21:12:20,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:20,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099920810] [2022-11-02 21:12:20,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099920810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:20,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:20,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:12:20,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902742111] [2022-11-02 21:12:20,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:20,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:12:20,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:20,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:12:20,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:12:20,227 INFO L87 Difference]: Start difference. First operand 15840 states and 22966 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-02 21:12:28,109 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 [] [2022-11-02 21:12:30,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:32,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:34,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:41,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:43,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:45,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:48,015 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 [] [2022-11-02 21:13:08,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:08,797 INFO L93 Difference]: Finished difference Result 50932 states and 76091 transitions. [2022-11-02 21:13:08,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 21:13:08,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 274 [2022-11-02 21:13:08,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:13:09,019 INFO L225 Difference]: With dead ends: 50932 [2022-11-02 21:13:09,019 INFO L226 Difference]: Without dead ends: 35156 [2022-11-02 21:13:09,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:13:09,091 INFO L413 NwaCegarLoop]: 6204 mSDtfsCounter, 11169 mSDsluCounter, 6737 mSDsCounter, 0 mSdLazyCounter, 8744 mSolverCounterSat, 6214 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11821 SdHoareTripleChecker+Valid, 12941 SdHoareTripleChecker+Invalid, 14966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6214 IncrementalHoareTripleChecker+Valid, 8744 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:13:09,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11821 Valid, 12941 Invalid, 14966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6214 Valid, 8744 Invalid, 8 Unknown, 0 Unchecked, 46.6s Time] [2022-11-02 21:13:09,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35156 states.