./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--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/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--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:35:30,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:35:30,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:35:30,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:35:30,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:35:30,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:35:30,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:35:30,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:35:30,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:35:30,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:35:30,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:35:30,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:35:30,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:35:30,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:35:30,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:35:30,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:35:30,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:35:30,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:35:30,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:35:30,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:35:30,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:35:30,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:35:30,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:35:30,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:35:30,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:35:30,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:35:30,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:35:30,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:35:30,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:35:30,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:35:30,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:35:30,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:35:30,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:35:30,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:35:30,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:35:30,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:35:30,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:35:30,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:35:30,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:35:30,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:35:30,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:35:30,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:35:30,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:35:30,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:35:30,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:35:30,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:35:30,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:35:30,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:35:30,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:35:30,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:35:30,443 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:35:30,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:35:30,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:35:30,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:35:30,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:35:30,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:35:30,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:35:30,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:35:30,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:35:30,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:35:30,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:35:30,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:35:30,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:35:30,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:35:30,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:35:30,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:35:30,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:35:30,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:35:30,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:35:30,451 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:35:30,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:35:30,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:35:30,452 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_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-11-16 11:35:30,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:35:30,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:35:30,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:35:30,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:35:30,874 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:35:30,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-16 11:35:30,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/49b3a1da6/2ae8653ea1064f6a8ebf31ed7ecc8263/FLAG47cc3d607 [2022-11-16 11:35:31,970 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:35:31,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-16 11:35:32,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/49b3a1da6/2ae8653ea1064f6a8ebf31ed7ecc8263/FLAG47cc3d607 [2022-11-16 11:35:32,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/49b3a1da6/2ae8653ea1064f6a8ebf31ed7ecc8263 [2022-11-16 11:35:32,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:35:32,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:35:32,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:35:32,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:35:32,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:35:32,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:32" (1/1) ... [2022-11-16 11:35:32,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6507ea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32, skipping insertion in model container [2022-11-16 11:35:32,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:32" (1/1) ... [2022-11-16 11:35:32,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:35:32,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:35:33,499 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-16 11:35:34,099 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 11:35:34,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:35:34,142 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:35:34,318 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-16 11:35:34,548 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 11:35:34,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:35:34,616 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:35:34,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34 WrapperNode [2022-11-16 11:35:34,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:35:34,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:35:34,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:35:34,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:35:34,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,816 INFO L138 Inliner]: procedures = 184, calls = 856, calls flagged for inlining = 74, calls inlined = 63, statements flattened = 2127 [2022-11-16 11:35:34,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:35:34,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:35:34,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:35:34,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:35:34,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:34,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:35,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:35,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:35:35,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:35:35,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:35:35,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:35:35,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (1/1) ... [2022-11-16 11:35:35,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:35:35,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:35:35,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:35:35,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:35:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2022-11-16 11:35:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2022-11-16 11:35:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:35:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:35:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2022-11-16 11:35:35,145 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2022-11-16 11:35:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 11:35:35,147 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 11:35:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2022-11-16 11:35:35,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2022-11-16 11:35:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:35:35,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:35:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:35:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 11:35:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 11:35:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2022-11-16 11:35:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2022-11-16 11:35:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-16 11:35:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-16 11:35:35,150 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2022-11-16 11:35:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2022-11-16 11:35:35,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:35:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:35:35,151 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-16 11:35:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-16 11:35:35,151 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2022-11-16 11:35:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2022-11-16 11:35:35,151 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2022-11-16 11:35:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2022-11-16 11:35:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2022-11-16 11:35:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2022-11-16 11:35:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-16 11:35:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-16 11:35:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:35:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:35:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2022-11-16 11:35:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2022-11-16 11:35:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2022-11-16 11:35:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2022-11-16 11:35:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-16 11:35:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-16 11:35:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 11:35:35,155 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 11:35:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:35:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:35:35,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:35:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:35:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:35:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2022-11-16 11:35:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2022-11-16 11:35:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:35:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:35:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-11-16 11:35:35,158 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-11-16 11:35:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:35:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:35:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:35:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:35:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:35:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2022-11-16 11:35:35,161 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2022-11-16 11:35:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:35:35,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:35:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 11:35:35,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 11:35:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:35:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2022-11-16 11:35:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2022-11-16 11:35:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:35:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:35:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:35:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:35:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:35:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-16 11:35:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-16 11:35:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-16 11:35:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-16 11:35:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:35:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 11:35:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-16 11:35:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-16 11:35:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-16 11:35:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-16 11:35:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:35:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:35:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:35:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:35:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2022-11-16 11:35:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2022-11-16 11:35:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2022-11-16 11:35:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2022-11-16 11:35:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-16 11:35:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-16 11:35:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-11-16 11:35:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-11-16 11:35:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-16 11:35:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-16 11:35:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:35:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:35:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 11:35:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 11:35:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 11:35:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 11:35:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2022-11-16 11:35:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2022-11-16 11:35:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2022-11-16 11:35:35,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2022-11-16 11:35:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2022-11-16 11:35:35,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2022-11-16 11:35:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 11:35:35,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 11:35:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:35:35,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:35:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 11:35:35,176 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 11:35:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:35:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:35:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2022-11-16 11:35:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2022-11-16 11:35:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2022-11-16 11:35:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2022-11-16 11:35:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:35:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2022-11-16 11:35:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2022-11-16 11:35:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:35:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:35:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 11:35:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 11:35:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:35:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:35:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-16 11:35:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-16 11:35:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2022-11-16 11:35:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2022-11-16 11:35:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 11:35:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 11:35:35,855 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:35:35,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:35:36,276 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:35:38,386 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:35:38,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:35:38,400 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 11:35:38,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:35:38 BoogieIcfgContainer [2022-11-16 11:35:38,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:35:38,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:35:38,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:35:38,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:35:38,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:35:32" (1/3) ... [2022-11-16 11:35:38,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9fa1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:38, skipping insertion in model container [2022-11-16 11:35:38,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:34" (2/3) ... [2022-11-16 11:35:38,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9fa1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:38, skipping insertion in model container [2022-11-16 11:35:38,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:35:38" (3/3) ... [2022-11-16 11:35:38,414 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-16 11:35:38,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:35:38,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:35:38,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:35:38,547 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;@6b33f2f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:35:38,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:35:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 855 states, 600 states have (on average 1.34) internal successors, (804), 617 states have internal predecessors, (804), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2022-11-16 11:35:38,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 11:35:38,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:38,573 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 11:35:38,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:38,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:38,579 INFO L85 PathProgramCache]: Analyzing trace with hash 131899086, now seen corresponding path program 1 times [2022-11-16 11:35:38,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:38,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40494393] [2022-11-16 11:35:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:38,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:35:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 11:35:39,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:39,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40494393] [2022-11-16 11:35:39,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40494393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:39,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:39,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:35:39,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047259864] [2022-11-16 11:35:39,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:39,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:35:39,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:39,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:35:39,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:35:39,471 INFO L87 Difference]: Start difference. First operand has 855 states, 600 states have (on average 1.34) internal successors, (804), 617 states have internal predecessors, (804), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:35:45,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:45,090 INFO L93 Difference]: Finished difference Result 2727 states and 3982 transitions. [2022-11-16 11:35:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:35:45,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 11:35:45,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:45,129 INFO L225 Difference]: With dead ends: 2727 [2022-11-16 11:35:45,129 INFO L226 Difference]: Without dead ends: 1831 [2022-11-16 11:35:45,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:35:45,144 INFO L413 NwaCegarLoop]: 995 mSDtfsCounter, 1748 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 2737 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 3648 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 2737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:45,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 3648 Invalid, 3282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [545 Valid, 2737 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-16 11:35:45,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2022-11-16 11:35:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1659. [2022-11-16 11:35:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1169 states have (on average 1.320786997433704) internal successors, (1544), 1194 states have internal predecessors, (1544), 370 states have call successors, (370), 118 states have call predecessors, (370), 119 states have return successors, (383), 368 states have call predecessors, (383), 369 states have call successors, (383) [2022-11-16 11:35:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2297 transitions. [2022-11-16 11:35:45,405 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2297 transitions. Word has length 32 [2022-11-16 11:35:45,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:45,405 INFO L495 AbstractCegarLoop]: Abstraction has 1659 states and 2297 transitions. [2022-11-16 11:35:45,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:35:45,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2297 transitions. [2022-11-16 11:35:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-16 11:35:45,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:45,417 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 11:35:45,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:35:45,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:45,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:45,418 INFO L85 PathProgramCache]: Analyzing trace with hash 893231862, now seen corresponding path program 1 times [2022-11-16 11:35:45,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:45,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100821625] [2022-11-16 11:35:45,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:45,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:45,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:45,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:35:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:35:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:35:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 11:35:45,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:45,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100821625] [2022-11-16 11:35:45,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100821625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:45,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:45,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:35:45,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681264427] [2022-11-16 11:35:45,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:45,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:35:45,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:45,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:35:45,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:35:45,694 INFO L87 Difference]: Start difference. First operand 1659 states and 2297 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 11:35:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:51,659 INFO L93 Difference]: Finished difference Result 3721 states and 5304 transitions. [2022-11-16 11:35:51,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:35:51,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2022-11-16 11:35:51,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:51,684 INFO L225 Difference]: With dead ends: 3721 [2022-11-16 11:35:51,684 INFO L226 Difference]: Without dead ends: 2070 [2022-11-16 11:35:51,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:35:51,693 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 1179 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 2811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:51,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 2026 Invalid, 2811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 2027 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-16 11:35:51,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2022-11-16 11:35:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1765. [2022-11-16 11:35:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1251 states have (on average 1.3205435651478816) internal successors, (1652), 1279 states have internal predecessors, (1652), 382 states have call successors, (382), 127 states have call predecessors, (382), 131 states have return successors, (401), 380 states have call predecessors, (401), 381 states have call successors, (401) [2022-11-16 11:35:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2435 transitions. [2022-11-16 11:35:51,837 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2435 transitions. Word has length 77 [2022-11-16 11:35:51,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:51,838 INFO L495 AbstractCegarLoop]: Abstraction has 1765 states and 2435 transitions. [2022-11-16 11:35:51,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 11:35:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2435 transitions. [2022-11-16 11:35:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-16 11:35:51,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:51,845 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:51,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:35:51,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:51,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:51,846 INFO L85 PathProgramCache]: Analyzing trace with hash -708696365, now seen corresponding path program 1 times [2022-11-16 11:35:51,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:51,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999040811] [2022-11-16 11:35:51,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:51,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:35:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:35:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:35:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 11:35:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:35:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 11:35:52,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:52,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999040811] [2022-11-16 11:35:52,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999040811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:52,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:52,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:35:52,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962279976] [2022-11-16 11:35:52,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:52,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:35:52,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:52,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:35:52,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:35:52,293 INFO L87 Difference]: Start difference. First operand 1765 states and 2435 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 11:35:59,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:59,438 INFO L93 Difference]: Finished difference Result 5393 states and 7719 transitions. [2022-11-16 11:35:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:35:59,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2022-11-16 11:35:59,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:59,460 INFO L225 Difference]: With dead ends: 5393 [2022-11-16 11:35:59,460 INFO L226 Difference]: Without dead ends: 3657 [2022-11-16 11:35:59,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:35:59,474 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 2910 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 2427 mSolverCounterSat, 1547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1547 IncrementalHoareTripleChecker+Valid, 2427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:59,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3072 Valid, 1990 Invalid, 3974 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1547 Valid, 2427 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-16 11:35:59,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3657 states. [2022-11-16 11:35:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3657 to 3072. [2022-11-16 11:35:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 2198 states have (on average 1.3139217470427662) internal successors, (2888), 2240 states have internal predecessors, (2888), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-11-16 11:35:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 4175 transitions. [2022-11-16 11:35:59,678 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 4175 transitions. Word has length 101 [2022-11-16 11:35:59,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:59,680 INFO L495 AbstractCegarLoop]: Abstraction has 3072 states and 4175 transitions. [2022-11-16 11:35:59,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 11:35:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 4175 transitions. [2022-11-16 11:35:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-16 11:35:59,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:59,687 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:59,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:35:59,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:59,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1241999539, now seen corresponding path program 1 times [2022-11-16 11:35:59,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:59,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486374649] [2022-11-16 11:35:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:59,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:35:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:35:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:35:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:35:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:35:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-16 11:35:59,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:59,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486374649] [2022-11-16 11:35:59,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486374649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:59,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:59,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:35:59,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068402132] [2022-11-16 11:35:59,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:59,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:35:59,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:59,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:35:59,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:35:59,993 INFO L87 Difference]: Start difference. First operand 3072 states and 4175 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-16 11:36:05,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:05,285 INFO L93 Difference]: Finished difference Result 5249 states and 7465 transitions. [2022-11-16 11:36:05,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:36:05,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 101 [2022-11-16 11:36:05,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:05,308 INFO L225 Difference]: With dead ends: 5249 [2022-11-16 11:36:05,308 INFO L226 Difference]: Without dead ends: 3652 [2022-11-16 11:36:05,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:36:05,316 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 432 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 2627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:05,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 2241 Invalid, 2627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-16 11:36:05,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2022-11-16 11:36:05,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3076. [2022-11-16 11:36:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2202 states have (on average 1.3133514986376023) internal successors, (2892), 2244 states have internal predecessors, (2892), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-11-16 11:36:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4179 transitions. [2022-11-16 11:36:05,500 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4179 transitions. Word has length 101 [2022-11-16 11:36:05,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:05,500 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 4179 transitions. [2022-11-16 11:36:05,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-16 11:36:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4179 transitions. [2022-11-16 11:36:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 11:36:05,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:05,505 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:36:05,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:36:05,506 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:05,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:05,507 INFO L85 PathProgramCache]: Analyzing trace with hash 114965874, now seen corresponding path program 1 times [2022-11-16 11:36:05,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:05,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091437606] [2022-11-16 11:36:05,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:05,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:36:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:36:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:36:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:36:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-16 11:36:06,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:06,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091437606] [2022-11-16 11:36:06,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091437606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:36:06,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:36:06,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:36:06,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829878887] [2022-11-16 11:36:06,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:06,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:36:06,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:06,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:36:06,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:36:06,315 INFO L87 Difference]: Start difference. First operand 3076 states and 4179 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 11:36:16,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:18,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:21,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:21,904 INFO L93 Difference]: Finished difference Result 7477 states and 10542 transitions. [2022-11-16 11:36:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 11:36:21,905 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2022-11-16 11:36:21,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:21,928 INFO L225 Difference]: With dead ends: 7477 [2022-11-16 11:36:21,928 INFO L226 Difference]: Without dead ends: 4430 [2022-11-16 11:36:21,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:36:21,939 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 2578 mSDsluCounter, 3794 mSDsCounter, 0 mSdLazyCounter, 9399 mSolverCounterSat, 1163 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2850 SdHoareTripleChecker+Valid, 4463 SdHoareTripleChecker+Invalid, 10563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1163 IncrementalHoareTripleChecker+Valid, 9399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:21,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2850 Valid, 4463 Invalid, 10563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1163 Valid, 9399 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2022-11-16 11:36:21,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2022-11-16 11:36:22,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 3684. [2022-11-16 11:36:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3684 states, 2650 states have (on average 1.3124528301886793) internal successors, (3478), 2700 states have internal predecessors, (3478), 752 states have call successors, (752), 276 states have call predecessors, (752), 281 states have return successors, (777), 745 states have call predecessors, (777), 751 states have call successors, (777) [2022-11-16 11:36:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 5007 transitions. [2022-11-16 11:36:22,167 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 5007 transitions. Word has length 103 [2022-11-16 11:36:22,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:22,168 INFO L495 AbstractCegarLoop]: Abstraction has 3684 states and 5007 transitions. [2022-11-16 11:36:22,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 11:36:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 5007 transitions. [2022-11-16 11:36:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 11:36:22,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:22,182 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:36:22,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:36:22,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:22,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:22,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2036227530, now seen corresponding path program 1 times [2022-11-16 11:36:22,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:22,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291876382] [2022-11-16 11:36:22,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:36:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:36:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:36:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:36:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 11:36:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:23,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 11:36:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 11:36:23,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:23,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291876382] [2022-11-16 11:36:23,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291876382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:36:23,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:36:23,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:36:23,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847481851] [2022-11-16 11:36:23,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:23,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:36:23,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:23,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:36:23,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:36:23,115 INFO L87 Difference]: Start difference. First operand 3684 states and 5007 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 11:36:29,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:30,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:31,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:31,492 INFO L93 Difference]: Finished difference Result 7999 states and 11267 transitions. [2022-11-16 11:36:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:36:31,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 132 [2022-11-16 11:36:31,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:31,514 INFO L225 Difference]: With dead ends: 7999 [2022-11-16 11:36:31,514 INFO L226 Difference]: Without dead ends: 4344 [2022-11-16 11:36:31,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:36:31,527 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 420 mSDsluCounter, 2700 mSDsCounter, 0 mSdLazyCounter, 3646 mSolverCounterSat, 241 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 3410 SdHoareTripleChecker+Invalid, 3888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 3646 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:31,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 3410 Invalid, 3888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 3646 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-16 11:36:31,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2022-11-16 11:36:31,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 3712. [2022-11-16 11:36:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3712 states, 2670 states have (on average 1.3101123595505617) internal successors, (3498), 2722 states have internal predecessors, (3498), 752 states have call successors, (752), 276 states have call predecessors, (752), 289 states have return successors, (789), 751 states have call predecessors, (789), 751 states have call successors, (789) [2022-11-16 11:36:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 3712 states and 5039 transitions. [2022-11-16 11:36:31,756 INFO L78 Accepts]: Start accepts. Automaton has 3712 states and 5039 transitions. Word has length 132 [2022-11-16 11:36:31,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:31,757 INFO L495 AbstractCegarLoop]: Abstraction has 3712 states and 5039 transitions. [2022-11-16 11:36:31,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 11:36:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3712 states and 5039 transitions. [2022-11-16 11:36:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-16 11:36:31,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:31,764 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:36:31,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:36:31,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:31,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:31,766 INFO L85 PathProgramCache]: Analyzing trace with hash 7329712, now seen corresponding path program 1 times [2022-11-16 11:36:31,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:31,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249190483] [2022-11-16 11:36:31,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:31,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:31,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:36:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:36:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:36:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:36:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:36:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:36:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:36:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:36:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-16 11:36:32,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:32,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249190483] [2022-11-16 11:36:32,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249190483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:36:32,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:36:32,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:36:32,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861840906] [2022-11-16 11:36:32,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:32,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:36:32,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:32,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:36:32,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:36:32,158 INFO L87 Difference]: Start difference. First operand 3712 states and 5039 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:36:36,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:36,213 INFO L93 Difference]: Finished difference Result 8008 states and 11202 transitions. [2022-11-16 11:36:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:36:36,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 153 [2022-11-16 11:36:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:36,235 INFO L225 Difference]: With dead ends: 8008 [2022-11-16 11:36:36,236 INFO L226 Difference]: Without dead ends: 4312 [2022-11-16 11:36:36,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:36:36,247 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 1807 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1937 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 743 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:36,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1937 Valid, 1462 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [743 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 11:36:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2022-11-16 11:36:36,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 3688. [2022-11-16 11:36:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 2648 states have (on average 1.3055135951661632) internal successors, (3457), 2700 states have internal predecessors, (3457), 750 states have call successors, (750), 276 states have call predecessors, (750), 289 states have return successors, (785), 749 states have call predecessors, (785), 749 states have call successors, (785) [2022-11-16 11:36:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 4992 transitions. [2022-11-16 11:36:36,501 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 4992 transitions. Word has length 153 [2022-11-16 11:36:36,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:36,502 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 4992 transitions. [2022-11-16 11:36:36,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:36:36,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 4992 transitions. [2022-11-16 11:36:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-16 11:36:36,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:36,512 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:36:36,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:36:36,512 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:36,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1212470307, now seen corresponding path program 1 times [2022-11-16 11:36:36,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:36,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128540777] [2022-11-16 11:36:36,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:36,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:36:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:36:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:36:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:36:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:36:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:36:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:36:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:36:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-16 11:36:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-16 11:36:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 11:36:38,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:38,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128540777] [2022-11-16 11:36:38,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128540777] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:36:38,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961605518] [2022-11-16 11:36:38,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:38,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:36:38,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:36:38,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:36:38,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:36:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:38,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 11:36:38,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:36:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 11:36:39,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:36:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 11:36:39,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961605518] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 11:36:39,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:36:39,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12, 8] total 22 [2022-11-16 11:36:39,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427299574] [2022-11-16 11:36:39,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:39,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:36:39,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:39,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:36:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:36:39,941 INFO L87 Difference]: Start difference. First operand 3688 states and 4992 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-16 11:36:46,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:46,163 INFO L93 Difference]: Finished difference Result 8616 states and 11915 transitions. [2022-11-16 11:36:46,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:36:46,164 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 161 [2022-11-16 11:36:46,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:46,198 INFO L225 Difference]: With dead ends: 8616 [2022-11-16 11:36:46,198 INFO L226 Difference]: Without dead ends: 6400 [2022-11-16 11:36:46,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 341 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2022-11-16 11:36:46,207 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 4531 mSDsluCounter, 2012 mSDsCounter, 0 mSdLazyCounter, 4442 mSolverCounterSat, 2142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4663 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 6584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2142 IncrementalHoareTripleChecker+Valid, 4442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:46,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4663 Valid, 3168 Invalid, 6584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2142 Valid, 4442 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-16 11:36:46,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6400 states. [2022-11-16 11:36:46,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6400 to 5366. [2022-11-16 11:36:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5366 states, 3843 states have (on average 1.3065313557116836) internal successors, (5021), 3926 states have internal predecessors, (5021), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-16 11:36:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5366 states to 5366 states and 7313 transitions. [2022-11-16 11:36:46,695 INFO L78 Accepts]: Start accepts. Automaton has 5366 states and 7313 transitions. Word has length 161 [2022-11-16 11:36:46,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:46,696 INFO L495 AbstractCegarLoop]: Abstraction has 5366 states and 7313 transitions. [2022-11-16 11:36:46,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-16 11:36:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 5366 states and 7313 transitions. [2022-11-16 11:36:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-16 11:36:46,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:46,706 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:36:46,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 11:36:46,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:36:46,914 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:46,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:46,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1462153730, now seen corresponding path program 1 times [2022-11-16 11:36:46,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:46,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248171293] [2022-11-16 11:36:46,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:46,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:36:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:36:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:36:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:36:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:36:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:36:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:36:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:36:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:36:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:36:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-16 11:36:47,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:47,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248171293] [2022-11-16 11:36:47,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248171293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:36:47,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:36:47,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:36:47,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375332158] [2022-11-16 11:36:47,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:47,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:36:47,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:47,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:36:47,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:36:47,517 INFO L87 Difference]: Start difference. First operand 5366 states and 7313 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:36:52,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:53,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:53,745 INFO L93 Difference]: Finished difference Result 10159 states and 14400 transitions. [2022-11-16 11:36:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:36:53,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 163 [2022-11-16 11:36:53,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:53,779 INFO L225 Difference]: With dead ends: 10159 [2022-11-16 11:36:53,779 INFO L226 Difference]: Without dead ends: 6265 [2022-11-16 11:36:53,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:36:53,794 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 751 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 2571 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:53,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 2571 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-16 11:36:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-11-16 11:36:54,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 5364. [2022-11-16 11:36:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5364 states, 3841 states have (on average 1.3056495704243687) internal successors, (5015), 3924 states have internal predecessors, (5015), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-16 11:36:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5364 states to 5364 states and 7307 transitions. [2022-11-16 11:36:54,272 INFO L78 Accepts]: Start accepts. Automaton has 5364 states and 7307 transitions. Word has length 163 [2022-11-16 11:36:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:54,273 INFO L495 AbstractCegarLoop]: Abstraction has 5364 states and 7307 transitions. [2022-11-16 11:36:54,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:36:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 5364 states and 7307 transitions. [2022-11-16 11:36:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-16 11:36:54,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:54,293 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:36:54,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:36:54,293 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:54,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash -375361403, now seen corresponding path program 1 times [2022-11-16 11:36:54,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:54,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130148584] [2022-11-16 11:36:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:54,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:36:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:36:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:36:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:36:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:36:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:36:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:36:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:36:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:36:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:36:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:36:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 11:36:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-16 11:36:55,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:55,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130148584] [2022-11-16 11:36:55,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130148584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:36:55,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:36:55,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:36:55,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776536001] [2022-11-16 11:36:55,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:55,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:36:55,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:55,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:36:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:36:55,137 INFO L87 Difference]: Start difference. First operand 5364 states and 7307 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:00,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:01,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:01,287 INFO L93 Difference]: Finished difference Result 11617 states and 16363 transitions. [2022-11-16 11:37:01,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:37:01,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 165 [2022-11-16 11:37:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:01,318 INFO L225 Difference]: With dead ends: 11617 [2022-11-16 11:37:01,319 INFO L226 Difference]: Without dead ends: 6305 [2022-11-16 11:37:01,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:37:01,337 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 733 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:01,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 2574 Invalid, 3066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-16 11:37:01,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6305 states. [2022-11-16 11:37:01,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6305 to 5376. [2022-11-16 11:37:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5376 states, 3853 states have (on average 1.304697638203997) internal successors, (5027), 3936 states have internal predecessors, (5027), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-16 11:37:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 5376 states and 7319 transitions. [2022-11-16 11:37:01,842 INFO L78 Accepts]: Start accepts. Automaton has 5376 states and 7319 transitions. Word has length 165 [2022-11-16 11:37:01,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:01,842 INFO L495 AbstractCegarLoop]: Abstraction has 5376 states and 7319 transitions. [2022-11-16 11:37:01,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 5376 states and 7319 transitions. [2022-11-16 11:37:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-16 11:37:01,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:01,853 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:01,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:37:01,854 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:01,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1137594617, now seen corresponding path program 1 times [2022-11-16 11:37:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:01,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470333565] [2022-11-16 11:37:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:37:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:37:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:37:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:37:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:37:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:37:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:37:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-16 11:37:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-16 11:37:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:37:02,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:02,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470333565] [2022-11-16 11:37:02,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470333565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:02,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:02,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:37:02,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772462643] [2022-11-16 11:37:02,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:02,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:02,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:02,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:02,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:02,504 INFO L87 Difference]: Start difference. First operand 5376 states and 7319 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:07,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:09,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:09,013 INFO L93 Difference]: Finished difference Result 11787 states and 16643 transitions. [2022-11-16 11:37:09,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:37:09,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2022-11-16 11:37:09,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:09,036 INFO L225 Difference]: With dead ends: 11787 [2022-11-16 11:37:09,036 INFO L226 Difference]: Without dead ends: 6463 [2022-11-16 11:37:09,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:09,051 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 740 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1946 mSolverCounterSat, 510 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1946 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:09,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1992 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1946 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-16 11:37:09,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6463 states. [2022-11-16 11:37:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6463 to 5424. [2022-11-16 11:37:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5424 states, 3901 states have (on average 1.3009484747500641) internal successors, (5075), 3984 states have internal predecessors, (5075), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-16 11:37:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5424 states to 5424 states and 7367 transitions. [2022-11-16 11:37:09,574 INFO L78 Accepts]: Start accepts. Automaton has 5424 states and 7367 transitions. Word has length 166 [2022-11-16 11:37:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:09,574 INFO L495 AbstractCegarLoop]: Abstraction has 5424 states and 7367 transitions. [2022-11-16 11:37:09,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 5424 states and 7367 transitions. [2022-11-16 11:37:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-16 11:37:09,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:09,584 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:09,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:37:09,585 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:09,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash -244484026, now seen corresponding path program 1 times [2022-11-16 11:37:09,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:09,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75345317] [2022-11-16 11:37:09,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:09,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:37:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:37:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:37:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:37:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:37:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:37:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:37:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-16 11:37:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-16 11:37:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:37:09,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:09,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75345317] [2022-11-16 11:37:09,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75345317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:09,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:09,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:37:09,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034735091] [2022-11-16 11:37:09,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:09,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:09,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:09,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:09,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:09,922 INFO L87 Difference]: Start difference. First operand 5424 states and 7367 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:15,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:15,236 INFO L93 Difference]: Finished difference Result 11847 states and 16663 transitions. [2022-11-16 11:37:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:37:15,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 167 [2022-11-16 11:37:15,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:15,272 INFO L225 Difference]: With dead ends: 11847 [2022-11-16 11:37:15,273 INFO L226 Difference]: Without dead ends: 6475 [2022-11-16 11:37:15,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:15,294 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 749 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:15,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 2013 Invalid, 2549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-16 11:37:15,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6475 states. [2022-11-16 11:37:15,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6475 to 5436. [2022-11-16 11:37:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5436 states, 3913 states have (on average 1.3000255558395093) internal successors, (5087), 3996 states have internal predecessors, (5087), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-16 11:37:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 5436 states and 7379 transitions. [2022-11-16 11:37:15,800 INFO L78 Accepts]: Start accepts. Automaton has 5436 states and 7379 transitions. Word has length 167 [2022-11-16 11:37:15,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:15,801 INFO L495 AbstractCegarLoop]: Abstraction has 5436 states and 7379 transitions. [2022-11-16 11:37:15,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5436 states and 7379 transitions. [2022-11-16 11:37:15,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-16 11:37:15,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:15,812 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:15,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:37:15,812 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:15,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:15,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1270921182, now seen corresponding path program 1 times [2022-11-16 11:37:15,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:15,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506994755] [2022-11-16 11:37:15,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:15,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:15,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:37:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:37:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:37:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:37:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:37:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:37:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:37:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 11:37:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-16 11:37:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:37:16,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:16,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506994755] [2022-11-16 11:37:16,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506994755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:16,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:16,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:37:16,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107152523] [2022-11-16 11:37:16,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:16,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:16,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:16,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:16,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:16,163 INFO L87 Difference]: Start difference. First operand 5436 states and 7379 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:21,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:23,630 INFO L93 Difference]: Finished difference Result 11897 states and 16733 transitions. [2022-11-16 11:37:23,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:37:23,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 168 [2022-11-16 11:37:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:23,661 INFO L225 Difference]: With dead ends: 11897 [2022-11-16 11:37:23,662 INFO L226 Difference]: Without dead ends: 6513 [2022-11-16 11:37:23,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:23,679 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 438 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:23,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2246 Invalid, 2675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-16 11:37:23,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6513 states. [2022-11-16 11:37:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6513 to 5464. [2022-11-16 11:37:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5464 states, 3941 states have (on average 1.3014463334179143) internal successors, (5129), 4024 states have internal predecessors, (5129), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-16 11:37:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5464 states to 5464 states and 7421 transitions. [2022-11-16 11:37:24,197 INFO L78 Accepts]: Start accepts. Automaton has 5464 states and 7421 transitions. Word has length 168 [2022-11-16 11:37:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:24,197 INFO L495 AbstractCegarLoop]: Abstraction has 5464 states and 7421 transitions. [2022-11-16 11:37:24,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:37:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 5464 states and 7421 transitions. [2022-11-16 11:37:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-16 11:37:24,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:24,207 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:24,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:37:24,208 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:24,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:24,208 INFO L85 PathProgramCache]: Analyzing trace with hash -635482084, now seen corresponding path program 1 times [2022-11-16 11:37:24,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:24,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643763998] [2022-11-16 11:37:24,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:24,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:37:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:37:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:37:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:37:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:33,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:37:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:37:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:37:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:33,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 11:37:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-16 11:37:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-16 11:37:34,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:34,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643763998] [2022-11-16 11:37:34,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643763998] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:37:34,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636801767] [2022-11-16 11:37:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:34,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:34,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:34,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:37:34,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:37:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:35,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 11:37:35,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-16 11:37:35,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:37:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-16 11:37:36,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636801767] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:37:36,970 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:37:36,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 14, 12] total 50 [2022-11-16 11:37:36,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862944154] [2022-11-16 11:37:36,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:37:36,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-16 11:37:36,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:36,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-16 11:37:36,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=2326, Unknown=0, NotChecked=0, Total=2450 [2022-11-16 11:37:36,973 INFO L87 Difference]: Start difference. First operand 5464 states and 7421 transitions. Second operand has 50 states, 45 states have (on average 5.155555555555556) internal successors, (232), 39 states have internal predecessors, (232), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-11-16 11:38:25,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:27,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:30,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:33,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:49,196 INFO L93 Difference]: Finished difference Result 15347 states and 21955 transitions. [2022-11-16 11:38:49,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-16 11:38:49,197 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 45 states have (on average 5.155555555555556) internal successors, (232), 39 states have internal predecessors, (232), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) Word has length 168 [2022-11-16 11:38:49,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:49,228 INFO L225 Difference]: With dead ends: 15347 [2022-11-16 11:38:49,228 INFO L226 Difference]: Without dead ends: 9912 [2022-11-16 11:38:49,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1198, Invalid=16892, Unknown=0, NotChecked=0, Total=18090 [2022-11-16 11:38:49,248 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 5692 mSDsluCounter, 21212 mSDsCounter, 0 mSdLazyCounter, 42230 mSolverCounterSat, 3121 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5795 SdHoareTripleChecker+Valid, 22116 SdHoareTripleChecker+Invalid, 45352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3121 IncrementalHoareTripleChecker+Valid, 42230 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:49,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5795 Valid, 22116 Invalid, 45352 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3121 Valid, 42230 Invalid, 1 Unknown, 0 Unchecked, 60.4s Time] [2022-11-16 11:38:49,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9912 states. [2022-11-16 11:38:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9912 to 6422. [2022-11-16 11:38:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 4642 states have (on average 1.2981473502800518) internal successors, (6026), 4750 states have internal predecessors, (6026), 1268 states have call successors, (1268), 460 states have call predecessors, (1268), 511 states have return successors, (1476), 1270 states have call predecessors, (1476), 1267 states have call successors, (1476) [2022-11-16 11:38:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 8770 transitions. [2022-11-16 11:38:49,963 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 8770 transitions. Word has length 168 [2022-11-16 11:38:49,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:49,964 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 8770 transitions. [2022-11-16 11:38:49,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 45 states have (on average 5.155555555555556) internal successors, (232), 39 states have internal predecessors, (232), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-11-16 11:38:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 8770 transitions. [2022-11-16 11:38:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-16 11:38:49,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:49,979 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:49,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:38:50,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-16 11:38:50,187 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1373179424, now seen corresponding path program 1 times [2022-11-16 11:38:50,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:50,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003911261] [2022-11-16 11:38:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:50,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:38:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:38:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:38:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:38:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:38:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:38:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:38:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:38:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:38:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:38:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:38:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 11:38:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:38:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:38:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 11:38:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-16 11:38:50,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:50,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003911261] [2022-11-16 11:38:50,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003911261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:50,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:50,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:38:50,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692829830] [2022-11-16 11:38:50,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:50,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:38:50,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:50,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:38:50,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:38:50,623 INFO L87 Difference]: Start difference. First operand 6422 states and 8770 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:38:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:54,895 INFO L93 Difference]: Finished difference Result 12934 states and 18114 transitions. [2022-11-16 11:38:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:38:54,896 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-11-16 11:38:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:54,924 INFO L225 Difference]: With dead ends: 12934 [2022-11-16 11:38:54,925 INFO L226 Difference]: Without dead ends: 7407 [2022-11-16 11:38:54,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:38:54,942 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 1537 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 1090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 2808 SdHoareTripleChecker+Invalid, 3393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1090 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:54,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 2808 Invalid, 3393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1090 Valid, 2303 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 11:38:54,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7407 states. [2022-11-16 11:38:55,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7407 to 6458. [2022-11-16 11:38:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6458 states, 4669 states have (on average 1.2989933604626258) internal successors, (6065), 4777 states have internal predecessors, (6065), 1274 states have call successors, (1274), 463 states have call predecessors, (1274), 514 states have return successors, (1482), 1276 states have call predecessors, (1482), 1273 states have call successors, (1482) [2022-11-16 11:38:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6458 states to 6458 states and 8821 transitions. [2022-11-16 11:38:55,678 INFO L78 Accepts]: Start accepts. Automaton has 6458 states and 8821 transitions. Word has length 208 [2022-11-16 11:38:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:55,679 INFO L495 AbstractCegarLoop]: Abstraction has 6458 states and 8821 transitions. [2022-11-16 11:38:55,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:38:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 6458 states and 8821 transitions. [2022-11-16 11:38:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-16 11:38:55,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:55,694 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:55,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:38:55,694 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:55,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:55,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1217198882, now seen corresponding path program 1 times [2022-11-16 11:38:55,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:55,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178346073] [2022-11-16 11:38:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:55,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:38:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:38:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:38:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:38:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:38:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:38:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:38:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:38:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:38:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:38:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:38:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 11:38:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:38:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:38:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 11:38:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-16 11:38:56,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:56,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178346073] [2022-11-16 11:38:56,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178346073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:56,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:56,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:38:56,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111398627] [2022-11-16 11:38:56,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:56,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:38:56,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:56,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:38:56,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:38:56,125 INFO L87 Difference]: Start difference. First operand 6458 states and 8821 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:39:00,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:39:02,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:39:05,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:05,086 INFO L93 Difference]: Finished difference Result 13838 states and 19887 transitions. [2022-11-16 11:39:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:39:05,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-11-16 11:39:05,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:05,132 INFO L225 Difference]: With dead ends: 13838 [2022-11-16 11:39:05,132 INFO L226 Difference]: Without dead ends: 7427 [2022-11-16 11:39:05,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:39:05,156 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 501 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:05,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 3430 Invalid, 3411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-16 11:39:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7427 states. [2022-11-16 11:39:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7427 to 6464. [2022-11-16 11:39:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6464 states, 4672 states have (on average 1.2983732876712328) internal successors, (6066), 4786 states have internal predecessors, (6066), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1273 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-16 11:39:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6464 states to 6464 states and 8846 transitions. [2022-11-16 11:39:06,029 INFO L78 Accepts]: Start accepts. Automaton has 6464 states and 8846 transitions. Word has length 208 [2022-11-16 11:39:06,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:06,030 INFO L495 AbstractCegarLoop]: Abstraction has 6464 states and 8846 transitions. [2022-11-16 11:39:06,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:39:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 6464 states and 8846 transitions. [2022-11-16 11:39:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-16 11:39:06,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:06,048 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:06,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:39:06,048 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:06,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:06,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2110546462, now seen corresponding path program 1 times [2022-11-16 11:39:06,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:06,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181085213] [2022-11-16 11:39:06,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:39:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:39:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:39:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:39:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:39:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:39:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:39:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:39:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 11:39:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:39:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:39:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 11:39:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-16 11:39:08,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:08,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181085213] [2022-11-16 11:39:08,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181085213] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:39:08,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384813472] [2022-11-16 11:39:08,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:08,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:39:08,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:08,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:39:08,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:39:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:08,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 11:39:08,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-16 11:39:09,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-16 11:39:09,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384813472] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:09,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:39:09,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2022-11-16 11:39:09,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986714021] [2022-11-16 11:39:09,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:09,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-16 11:39:09,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:09,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-16 11:39:09,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2022-11-16 11:39:09,935 INFO L87 Difference]: Start difference. First operand 6464 states and 8846 transitions. Second operand has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2022-11-16 11:39:18,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:39:21,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:21,585 INFO L93 Difference]: Finished difference Result 13060 states and 18403 transitions. [2022-11-16 11:39:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:39:21,586 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) Word has length 208 [2022-11-16 11:39:21,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:21,619 INFO L225 Difference]: With dead ends: 13060 [2022-11-16 11:39:21,619 INFO L226 Difference]: Without dead ends: 7487 [2022-11-16 11:39:21,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 449 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2022-11-16 11:39:21,636 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 1133 mSDsluCounter, 10121 mSDsCounter, 0 mSdLazyCounter, 10069 mSolverCounterSat, 800 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 10888 SdHoareTripleChecker+Invalid, 10869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 800 IncrementalHoareTripleChecker+Valid, 10069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:21,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 10888 Invalid, 10869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [800 Valid, 10069 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-11-16 11:39:21,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7487 states. [2022-11-16 11:39:22,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7487 to 6473. [2022-11-16 11:39:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6473 states, 4681 states have (on average 1.2977996154667806) internal successors, (6075), 4792 states have internal predecessors, (6075), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1276 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-16 11:39:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 8855 transitions. [2022-11-16 11:39:22,392 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 8855 transitions. Word has length 208 [2022-11-16 11:39:22,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:22,393 INFO L495 AbstractCegarLoop]: Abstraction has 6473 states and 8855 transitions. [2022-11-16 11:39:22,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2022-11-16 11:39:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 8855 transitions. [2022-11-16 11:39:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-16 11:39:22,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:22,409 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:22,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:22,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-16 11:39:22,618 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:22,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:22,618 INFO L85 PathProgramCache]: Analyzing trace with hash -995101061, now seen corresponding path program 1 times [2022-11-16 11:39:22,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:22,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801060759] [2022-11-16 11:39:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:22,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:39:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:39:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:39:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:39:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:39:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:39:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:39:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:39:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 11:39:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:39:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:39:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:39:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:39:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-16 11:39:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-16 11:39:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-16 11:39:23,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:23,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801060759] [2022-11-16 11:39:23,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801060759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:23,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:23,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:39:23,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640412387] [2022-11-16 11:39:23,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:23,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:39:23,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:23,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:39:23,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:39:23,642 INFO L87 Difference]: Start difference. First operand 6473 states and 8855 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:39:28,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:39:30,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:39:32,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:32,747 INFO L93 Difference]: Finished difference Result 12964 states and 18278 transitions. [2022-11-16 11:39:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:39:32,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 239 [2022-11-16 11:39:32,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:32,778 INFO L225 Difference]: With dead ends: 12964 [2022-11-16 11:39:32,778 INFO L226 Difference]: Without dead ends: 7366 [2022-11-16 11:39:32,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:39:32,796 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 728 mSDsluCounter, 2623 mSDsCounter, 0 mSdLazyCounter, 3316 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 3817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 3316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:32,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 3337 Invalid, 3817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 3316 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-16 11:39:32,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7366 states. [2022-11-16 11:39:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7366 to 6481. [2022-11-16 11:39:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6481 states, 4689 states have (on average 1.2972915333759865) internal successors, (6083), 4800 states have internal predecessors, (6083), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1276 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-16 11:39:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6481 states to 6481 states and 8863 transitions. [2022-11-16 11:39:33,577 INFO L78 Accepts]: Start accepts. Automaton has 6481 states and 8863 transitions. Word has length 239 [2022-11-16 11:39:33,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:33,577 INFO L495 AbstractCegarLoop]: Abstraction has 6481 states and 8863 transitions. [2022-11-16 11:39:33,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:39:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 6481 states and 8863 transitions. [2022-11-16 11:39:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-16 11:39:33,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:33,587 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:33,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:39:33,587 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:33,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1495837815, now seen corresponding path program 1 times [2022-11-16 11:39:33,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:33,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386285358] [2022-11-16 11:39:33,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:39:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:39:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:39:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:39:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:39:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:39:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:39:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:39:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:39:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:39:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:39:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 11:39:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:39:34,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:34,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386285358] [2022-11-16 11:39:34,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386285358] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:39:34,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315122995] [2022-11-16 11:39:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:34,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:39:34,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:34,551 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:39:34,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 11:39:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:35,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:39:35,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:39:35,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:39:35,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315122995] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:35,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:39:35,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2022-11-16 11:39:35,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737061504] [2022-11-16 11:39:35,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:35,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 11:39:35,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:35,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 11:39:35,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:39:35,682 INFO L87 Difference]: Start difference. First operand 6481 states and 8863 transitions. Second operand has 15 states, 15 states have (on average 10.8) internal successors, (162), 10 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:39:41,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:39:43,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:39:45,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:45,454 INFO L93 Difference]: Finished difference Result 13012 states and 18354 transitions. [2022-11-16 11:39:45,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:39:45,454 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.8) internal successors, (162), 10 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 187 [2022-11-16 11:39:45,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:45,488 INFO L225 Difference]: With dead ends: 13012 [2022-11-16 11:39:45,488 INFO L226 Difference]: Without dead ends: 7390 [2022-11-16 11:39:45,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 403 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:39:45,504 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 1041 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 3558 mSolverCounterSat, 775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 3592 SdHoareTripleChecker+Invalid, 4333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 3558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:45,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 3592 Invalid, 4333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 3558 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-16 11:39:45,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7390 states. [2022-11-16 11:39:46,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7390 to 6505. [2022-11-16 11:39:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6505 states, 4713 states have (on average 1.2957776363250584) internal successors, (6107), 4824 states have internal predecessors, (6107), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1276 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-16 11:39:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6505 states to 6505 states and 8887 transitions. [2022-11-16 11:39:46,300 INFO L78 Accepts]: Start accepts. Automaton has 6505 states and 8887 transitions. Word has length 187 [2022-11-16 11:39:46,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:46,301 INFO L495 AbstractCegarLoop]: Abstraction has 6505 states and 8887 transitions. [2022-11-16 11:39:46,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.8) internal successors, (162), 10 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:39:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 6505 states and 8887 transitions. [2022-11-16 11:39:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-16 11:39:46,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:46,311 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:46,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:46,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:39:46,511 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:46,512 INFO L85 PathProgramCache]: Analyzing trace with hash 2084562043, now seen corresponding path program 2 times [2022-11-16 11:39:46,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:46,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675327630] [2022-11-16 11:39:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:46,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:39:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:39:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:39:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:39:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:39:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:39:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:39:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:39:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:39:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:39:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:39:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-16 11:39:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:39:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:39:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-16 11:39:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-16 11:39:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:47,780 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:39:47,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:47,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675327630] [2022-11-16 11:39:47,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675327630] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:39:47,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861662354] [2022-11-16 11:39:47,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:39:47,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:39:47,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:47,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:39:47,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 11:39:48,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:39:48,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:48,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1583 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:39:48,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:39:49,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:39:49,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861662354] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:49,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:39:49,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2022-11-16 11:39:49,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071061064] [2022-11-16 11:39:49,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:49,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 11:39:49,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:49,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 11:39:49,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552 [2022-11-16 11:39:49,438 INFO L87 Difference]: Start difference. First operand 6505 states and 8887 transitions. Second operand has 24 states, 24 states have (on average 7.125) internal successors, (171), 19 states have internal predecessors, (171), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:39:58,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:01,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:40:04,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:40:04,224 INFO L93 Difference]: Finished difference Result 13084 states and 18450 transitions. [2022-11-16 11:40:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:40:04,224 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.125) internal successors, (171), 19 states have internal predecessors, (171), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 190 [2022-11-16 11:40:04,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:40:04,247 INFO L225 Difference]: With dead ends: 13084 [2022-11-16 11:40:04,247 INFO L226 Difference]: Without dead ends: 7438 [2022-11-16 11:40:04,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 403 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2022-11-16 11:40:04,259 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 438 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 6292 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 6549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 6292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:40:04,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 5974 Invalid, 6549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [257 Valid, 6292 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-11-16 11:40:04,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7438 states. [2022-11-16 11:40:04,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7438 to 6553. [2022-11-16 11:40:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 4761 states have (on average 1.2927956311699222) internal successors, (6155), 4872 states have internal predecessors, (6155), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1276 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-16 11:40:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 8935 transitions. [2022-11-16 11:40:04,858 INFO L78 Accepts]: Start accepts. Automaton has 6553 states and 8935 transitions. Word has length 190 [2022-11-16 11:40:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:40:04,859 INFO L495 AbstractCegarLoop]: Abstraction has 6553 states and 8935 transitions. [2022-11-16 11:40:04,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.125) internal successors, (171), 19 states have internal predecessors, (171), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:40:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 6553 states and 8935 transitions. [2022-11-16 11:40:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-16 11:40:04,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:40:04,869 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:40:04,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-16 11:40:05,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:40:05,080 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:40:05,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:40:05,080 INFO L85 PathProgramCache]: Analyzing trace with hash 639202478, now seen corresponding path program 2 times [2022-11-16 11:40:05,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:40:05,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611098094] [2022-11-16 11:40:05,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:40:05,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:40:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:40:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:40:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:40:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:40:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:40:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:40:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:40:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:40:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:40:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:40:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:40:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:40:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:40:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-16 11:40:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:40:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 11:40:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:40:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:40:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 11:40:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-16 11:40:07,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:40:07,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611098094] [2022-11-16 11:40:07,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611098094] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:40:07,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526507232] [2022-11-16 11:40:07,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:40:07,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:40:07,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:40:07,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:40:07,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 11:40:08,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:40:08,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:40:08,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 11:40:08,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:40:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 11:40:08,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:40:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-16 11:40:09,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526507232] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:40:09,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:40:09,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2022-11-16 11:40:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105499032] [2022-11-16 11:40:09,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:40:09,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-16 11:40:09,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:40:09,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-16 11:40:09,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2022-11-16 11:40:09,201 INFO L87 Difference]: Start difference. First operand 6553 states and 8935 transitions. Second operand has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-16 11:40:21,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:40:21,516 INFO L93 Difference]: Finished difference Result 13214 states and 18536 transitions. [2022-11-16 11:40:21,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:40:21,517 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) Word has length 208 [2022-11-16 11:40:21,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:40:21,546 INFO L225 Difference]: With dead ends: 13214 [2022-11-16 11:40:21,546 INFO L226 Difference]: Without dead ends: 7552 [2022-11-16 11:40:21,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 449 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2022-11-16 11:40:21,564 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 826 mSDsluCounter, 10802 mSDsCounter, 0 mSdLazyCounter, 10676 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 11570 SdHoareTripleChecker+Invalid, 11212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 10676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:40:21,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [908 Valid, 11570 Invalid, 11212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [536 Valid, 10676 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-11-16 11:40:21,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2022-11-16 11:40:22,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 6562. [2022-11-16 11:40:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6562 states, 4770 states have (on average 1.2922431865828092) internal successors, (6164), 4878 states have internal predecessors, (6164), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1279 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-16 11:40:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6562 states to 6562 states and 8944 transitions. [2022-11-16 11:40:22,264 INFO L78 Accepts]: Start accepts. Automaton has 6562 states and 8944 transitions. Word has length 208 [2022-11-16 11:40:22,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:40:22,265 INFO L495 AbstractCegarLoop]: Abstraction has 6562 states and 8944 transitions. [2022-11-16 11:40:22,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-16 11:40:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6562 states and 8944 transitions. [2022-11-16 11:40:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-16 11:40:22,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:40:22,277 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:40:22,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:40:22,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-16 11:40:22,487 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:40:22,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:40:22,487 INFO L85 PathProgramCache]: Analyzing trace with hash -802271429, now seen corresponding path program 1 times [2022-11-16 11:40:22,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:40:22,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286636579] [2022-11-16 11:40:22,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:40:22,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:40:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:40:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:40:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:40:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:40:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:40:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:40:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:40:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:40:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:40:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:40:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:40:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:40:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:40:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:40:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:40:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 11:40:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:40:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 11:40:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:40:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:40:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:40:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-16 11:40:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-16 11:40:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 11 proven. 55 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-16 11:40:24,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:40:24,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286636579] [2022-11-16 11:40:24,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286636579] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:40:24,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725929204] [2022-11-16 11:40:24,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:40:24,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:40:24,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:40:24,715 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:40:24,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 11:40:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:27,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 11:40:27,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:40:27,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-16 11:40:27,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 11:40:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 15 proven. 43 refuted. 7 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-16 11:40:43,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:40:43,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725929204] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:40:43,961 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:40:43,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2022-11-16 11:40:43,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875509574] [2022-11-16 11:40:43,961 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:40:43,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-16 11:40:43,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:40:43,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-16 11:40:43,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1230, Unknown=1, NotChecked=0, Total=1332 [2022-11-16 11:40:43,963 INFO L87 Difference]: Start difference. First operand 6562 states and 8944 transitions. Second operand has 36 states, 36 states have (on average 6.527777777777778) internal successors, (235), 29 states have internal predecessors, (235), 9 states have call successors, (44), 9 states have call predecessors, (44), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2022-11-16 11:41:00,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:41:08,676 INFO L93 Difference]: Finished difference Result 14545 states and 20435 transitions. [2022-11-16 11:41:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-16 11:41:08,679 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 6.527777777777778) internal successors, (235), 29 states have internal predecessors, (235), 9 states have call successors, (44), 9 states have call predecessors, (44), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) Word has length 249 [2022-11-16 11:41:08,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:41:08,721 INFO L225 Difference]: With dead ends: 14545 [2022-11-16 11:41:08,721 INFO L226 Difference]: Without dead ends: 8850 [2022-11-16 11:41:08,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 306 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=224, Invalid=2225, Unknown=1, NotChecked=0, Total=2450 [2022-11-16 11:41:08,743 INFO L413 NwaCegarLoop]: 922 mSDtfsCounter, 1381 mSDsluCounter, 19148 mSDsCounter, 0 mSdLazyCounter, 17739 mSolverCounterSat, 1039 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 20070 SdHoareTripleChecker+Invalid, 31023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1039 IncrementalHoareTripleChecker+Valid, 17739 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 12244 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:41:08,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 20070 Invalid, 31023 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1039 Valid, 17739 Invalid, 1 Unknown, 12244 Unchecked, 22.2s Time] [2022-11-16 11:41:08,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8850 states. [2022-11-16 11:41:09,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8850 to 7886. [2022-11-16 11:41:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 5740 states have (on average 1.3020905923344948) internal successors, (7474), 5892 states have internal predecessors, (7474), 1515 states have call successors, (1515), 556 states have call predecessors, (1515), 630 states have return successors, (1933), 1505 states have call predecessors, (1933), 1514 states have call successors, (1933) [2022-11-16 11:41:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 10922 transitions. [2022-11-16 11:41:09,920 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 10922 transitions. Word has length 249 [2022-11-16 11:41:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:41:09,920 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 10922 transitions. [2022-11-16 11:41:09,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.527777777777778) internal successors, (235), 29 states have internal predecessors, (235), 9 states have call successors, (44), 9 states have call predecessors, (44), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2022-11-16 11:41:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 10922 transitions. [2022-11-16 11:41:09,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-16 11:41:09,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:41:09,932 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:41:09,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:10,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-16 11:41:10,133 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:41:10,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:10,133 INFO L85 PathProgramCache]: Analyzing trace with hash -744012243, now seen corresponding path program 1 times [2022-11-16 11:41:10,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:10,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461049865] [2022-11-16 11:41:10,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:10,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:41:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:41:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:41:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:41:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:41:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:41:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:41:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:41:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:41:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:41:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:41:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:41:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:41:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 11:41:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 11:41:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-16 11:41:10,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:41:10,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461049865] [2022-11-16 11:41:10,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461049865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:41:10,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:41:10,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:41:10,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914293174] [2022-11-16 11:41:10,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:41:10,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:41:10,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:41:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:41:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:41:10,590 INFO L87 Difference]: Start difference. First operand 7886 states and 10922 transitions. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 11:41:17,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:41:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:41:20,185 INFO L93 Difference]: Finished difference Result 15315 states and 21634 transitions. [2022-11-16 11:41:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:41:20,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 206 [2022-11-16 11:41:20,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:41:20,225 INFO L225 Difference]: With dead ends: 15315 [2022-11-16 11:41:20,225 INFO L226 Difference]: Without dead ends: 8639 [2022-11-16 11:41:20,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:41:20,242 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 1803 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 3449 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 3449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:41:20,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 3280 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 3449 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-16 11:41:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8639 states. [2022-11-16 11:41:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8639 to 7839. [2022-11-16 11:41:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7839 states, 5705 states have (on average 1.2892199824715163) internal successors, (7355), 5856 states have internal predecessors, (7355), 1508 states have call successors, (1508), 551 states have call predecessors, (1508), 625 states have return successors, (1926), 1499 states have call predecessors, (1926), 1507 states have call successors, (1926) [2022-11-16 11:41:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7839 states to 7839 states and 10789 transitions. [2022-11-16 11:41:21,238 INFO L78 Accepts]: Start accepts. Automaton has 7839 states and 10789 transitions. Word has length 206 [2022-11-16 11:41:21,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:41:21,238 INFO L495 AbstractCegarLoop]: Abstraction has 7839 states and 10789 transitions. [2022-11-16 11:41:21,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 11:41:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7839 states and 10789 transitions. [2022-11-16 11:41:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-16 11:41:21,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:41:21,253 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:41:21,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:41:21,254 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:41:21,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:21,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1355726187, now seen corresponding path program 1 times [2022-11-16 11:41:21,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:21,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535495652] [2022-11-16 11:41:21,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:21,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:41:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:41:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:41:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:41:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:41:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:41:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:41:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:41:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:41:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:41:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:41:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:41:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:41:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 11:41:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 11:41:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-16 11:41:21,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:41:21,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535495652] [2022-11-16 11:41:21,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535495652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:41:21,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:41:21,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:41:21,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102940642] [2022-11-16 11:41:21,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:41:21,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:41:21,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:41:21,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:41:21,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:41:21,789 INFO L87 Difference]: Start difference. First operand 7839 states and 10789 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 11:41:30,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:41:30,575 INFO L93 Difference]: Finished difference Result 19787 states and 27960 transitions. [2022-11-16 11:41:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:41:30,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 206 [2022-11-16 11:41:30,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:41:30,644 INFO L225 Difference]: With dead ends: 19787 [2022-11-16 11:41:30,644 INFO L226 Difference]: Without dead ends: 13158 [2022-11-16 11:41:30,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:41:30,670 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 4781 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 3103 mSolverCounterSat, 2951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4963 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 6054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2951 IncrementalHoareTripleChecker+Valid, 3103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:41:30,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4963 Valid, 3059 Invalid, 6054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2951 Valid, 3103 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-16 11:41:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13158 states. [2022-11-16 11:41:32,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13158 to 11262. [2022-11-16 11:41:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11262 states, 8185 states have (on average 1.2885766646304215) internal successors, (10547), 8400 states have internal predecessors, (10547), 2185 states have call successors, (2185), 783 states have call predecessors, (2185), 891 states have return successors, (2758), 2174 states have call predecessors, (2758), 2184 states have call successors, (2758) [2022-11-16 11:41:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11262 states to 11262 states and 15490 transitions. [2022-11-16 11:41:32,320 INFO L78 Accepts]: Start accepts. Automaton has 11262 states and 15490 transitions. Word has length 206 [2022-11-16 11:41:32,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:41:32,320 INFO L495 AbstractCegarLoop]: Abstraction has 11262 states and 15490 transitions. [2022-11-16 11:41:32,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 11:41:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 11262 states and 15490 transitions. [2022-11-16 11:41:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-16 11:41:32,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:41:32,343 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:41:32,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:41:32,343 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:41:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash 375932414, now seen corresponding path program 1 times [2022-11-16 11:41:32,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:32,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210839913] [2022-11-16 11:41:32,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:32,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:41:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:41:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:41:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:41:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:41:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:41:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:41:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:41:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 11:41:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:41:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:41:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:41:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:41:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:41:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:41:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:41:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:41:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:41:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:34,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:41:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-16 11:41:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:41:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 10 proven. 66 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:41:34,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:41:34,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210839913] [2022-11-16 11:41:34,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210839913] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:41:34,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189916831] [2022-11-16 11:41:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:34,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:41:34,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:34,483 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:41:34,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 11:41:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:36,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 11:41:36,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:41:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 10 proven. 66 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:41:36,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:41:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 10 proven. 66 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:41:38,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189916831] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:41:38,344 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:41:38,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 15] total 45 [2022-11-16 11:41:38,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239295091] [2022-11-16 11:41:38,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:41:38,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-16 11:41:38,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:41:38,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-16 11:41:38,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1600, Unknown=0, NotChecked=0, Total=1980 [2022-11-16 11:41:38,347 INFO L87 Difference]: Start difference. First operand 11262 states and 15490 transitions. Second operand has 45 states, 45 states have (on average 4.666666666666667) internal successors, (210), 40 states have internal predecessors, (210), 2 states have call successors, (43), 7 states have call predecessors, (43), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:42:00,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:01,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:07,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:07,328 INFO L93 Difference]: Finished difference Result 21691 states and 30610 transitions. [2022-11-16 11:42:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-16 11:42:07,329 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.666666666666667) internal successors, (210), 40 states have internal predecessors, (210), 2 states have call successors, (43), 7 states have call predecessors, (43), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 246 [2022-11-16 11:42:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:07,371 INFO L225 Difference]: With dead ends: 21691 [2022-11-16 11:42:07,371 INFO L226 Difference]: Without dead ends: 12599 [2022-11-16 11:42:07,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 517 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=784, Invalid=2638, Unknown=0, NotChecked=0, Total=3422 [2022-11-16 11:42:07,398 INFO L413 NwaCegarLoop]: 716 mSDtfsCounter, 576 mSDsluCounter, 8480 mSDsCounter, 0 mSdLazyCounter, 9997 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 9196 SdHoareTripleChecker+Invalid, 10403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 9997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:07,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 9196 Invalid, 10403 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [406 Valid, 9997 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2022-11-16 11:42:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12599 states. [2022-11-16 11:42:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12599 to 11418. [2022-11-16 11:42:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11418 states, 8341 states have (on average 1.2846181513008033) internal successors, (10715), 8556 states have internal predecessors, (10715), 2185 states have call successors, (2185), 783 states have call predecessors, (2185), 891 states have return successors, (2758), 2174 states have call predecessors, (2758), 2184 states have call successors, (2758) [2022-11-16 11:42:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11418 states to 11418 states and 15658 transitions. [2022-11-16 11:42:09,419 INFO L78 Accepts]: Start accepts. Automaton has 11418 states and 15658 transitions. Word has length 246 [2022-11-16 11:42:09,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:09,419 INFO L495 AbstractCegarLoop]: Abstraction has 11418 states and 15658 transitions. [2022-11-16 11:42:09,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.666666666666667) internal successors, (210), 40 states have internal predecessors, (210), 2 states have call successors, (43), 7 states have call predecessors, (43), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:42:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 11418 states and 15658 transitions. [2022-11-16 11:42:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-16 11:42:09,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:09,433 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:42:09,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:09,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:42:09,635 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:09,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:09,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1370366816, now seen corresponding path program 1 times [2022-11-16 11:42:09,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:09,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500143372] [2022-11-16 11:42:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:09,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:42:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:42:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:42:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:42:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:42:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:42:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:42:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:42:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:42:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:42:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:42:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:42:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:42:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:42:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:42:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:42:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:42:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:42:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-16 11:42:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:42:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:42:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-16 11:42:10,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:10,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500143372] [2022-11-16 11:42:10,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500143372] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:42:10,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501855735] [2022-11-16 11:42:10,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:10,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:42:10,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:10,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:42:10,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 11:42:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:11,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-16 11:42:11,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:42:11,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-16 11:42:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-16 11:42:11,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:42:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-16 11:42:12,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501855735] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 11:42:12,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:42:12,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 8] total 20 [2022-11-16 11:42:12,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511578072] [2022-11-16 11:42:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:12,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:42:12,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:12,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:42:12,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:42:12,028 INFO L87 Difference]: Start difference. First operand 11418 states and 15658 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-16 11:42:16,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:16,640 INFO L93 Difference]: Finished difference Result 26936 states and 37057 transitions. [2022-11-16 11:42:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:42:16,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 227 [2022-11-16 11:42:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:16,791 INFO L225 Difference]: With dead ends: 26936 [2022-11-16 11:42:16,792 INFO L226 Difference]: Without dead ends: 16692 [2022-11-16 11:42:16,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:42:16,809 INFO L413 NwaCegarLoop]: 1768 mSDtfsCounter, 689 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 5647 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:16,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 5647 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 11:42:16,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16692 states. [2022-11-16 11:42:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16692 to 16348. [2022-11-16 11:42:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16348 states, 11928 states have (on average 1.29518779342723) internal successors, (15449), 12279 states have internal predecessors, (15449), 3101 states have call successors, (3101), 1196 states have call predecessors, (3101), 1318 states have return successors, (4062), 2992 states have call predecessors, (4062), 3100 states have call successors, (4062) [2022-11-16 11:42:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16348 states to 16348 states and 22612 transitions. [2022-11-16 11:42:18,857 INFO L78 Accepts]: Start accepts. Automaton has 16348 states and 22612 transitions. Word has length 227 [2022-11-16 11:42:18,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:18,858 INFO L495 AbstractCegarLoop]: Abstraction has 16348 states and 22612 transitions. [2022-11-16 11:42:18,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-16 11:42:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 16348 states and 22612 transitions. [2022-11-16 11:42:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-16 11:42:18,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:18,878 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:42:18,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:19,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-16 11:42:19,086 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:19,087 INFO L85 PathProgramCache]: Analyzing trace with hash -609288453, now seen corresponding path program 3 times [2022-11-16 11:42:19,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:19,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15383191] [2022-11-16 11:42:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:19,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:42:19,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:42:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:42:20,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:42:20,284 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:42:20,285 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:42:20,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 11:42:20,290 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:42:20,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:42:20,347 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,350 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,351 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,351 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,351 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,352 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,353 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,353 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,354 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,354 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,354 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,354 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,355 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,355 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:42:20,360 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-16 11:42:20,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:42:20 BoogieIcfgContainer [2022-11-16 11:42:20,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:42:20,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:42:20,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:42:20,549 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:42:20,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:35:38" (3/4) ... [2022-11-16 11:42:20,553 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:42:20,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:42:20,554 INFO L158 Benchmark]: Toolchain (without parser) took 408104.75ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 89.9MB in the beginning and 969.2MB in the end (delta: -879.3MB). Peak memory consumption was 625.5MB. Max. memory is 16.1GB. [2022-11-16 11:42:20,557 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:42:20,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2166.76ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 89.4MB in the beginning and 71.7MB in the end (delta: 17.7MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2022-11-16 11:42:20,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.08ms. Allocated memory is still 146.8MB. Free memory was 71.7MB in the beginning and 57.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:42:20,560 INFO L158 Benchmark]: Boogie Preprocessor took 210.49ms. Allocated memory is still 146.8MB. Free memory was 57.8MB in the beginning and 77.9MB in the end (delta: -20.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-16 11:42:20,561 INFO L158 Benchmark]: RCFGBuilder took 3374.72ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 77.3MB in the beginning and 99.8MB in the end (delta: -22.6MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2022-11-16 11:42:20,566 INFO L158 Benchmark]: TraceAbstraction took 402142.27ms. Allocated memory was 230.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 99.8MB in the beginning and 969.2MB in the end (delta: -869.4MB). Peak memory consumption was 522.1MB. Max. memory is 16.1GB. [2022-11-16 11:42:20,566 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 1.6GB. Free memory is still 969.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:42:20,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2166.76ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 89.4MB in the beginning and 71.7MB in the end (delta: 17.7MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.08ms. Allocated memory is still 146.8MB. Free memory was 71.7MB in the beginning and 57.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.49ms. Allocated memory is still 146.8MB. Free memory was 57.8MB in the beginning and 77.9MB in the end (delta: -20.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3374.72ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 77.3MB in the beginning and 99.8MB in the end (delta: -22.6MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * TraceAbstraction took 402142.27ms. Allocated memory was 230.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 99.8MB in the beginning and 969.2MB in the end (delta: -869.4MB). Peak memory consumption was 522.1MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 1.6GB. Free memory is still 969.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5773, overapproximation of bitwiseAnd at line 5856. Possible FailurePath: [L7259] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L5717] static int chosen_phy = -1; [L5674] struct phy_device *dp83640_driver_group0 ; [L5676] struct sk_buff *dp83640_driver_group1 ; [L7590] Element set_impl[15] ; [L5672] int LDV_IN_INTERRUPT = 1; [L6086-L6087] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7725] Set LDV_SKBS ; [L5718-L5720] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5772] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5773-L5776] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6084-L6085] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L7260] int ldv_retval_0 ; [L7591] int last_index = 0; [L7261] int ldv_retval_1 ; [L5673] int ref_cnt ; [L7237-L7242] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L5677] int ldv_state_variable_0 ; [L5675] int ldv_state_variable_1 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7278] int ldvarg1 ; [L7279] int tmp ; [L7280] struct ifreq *ldvarg3 ; [L7281] void *tmp___0 ; [L7282] struct ethtool_ts_info *ldvarg0 ; [L7283] void *tmp___1 ; [L7284] int ldvarg2 ; [L7285] int tmp___2 ; [L7286] int tmp___3 ; [L7287] int tmp___4 ; [L7288] int tmp___5 ; [L7290] tmp = __VERIFIER_nondet_int() [L7291] ldvarg1 = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50] [L7292] CALL, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=40, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7292] RET, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(40UL)={0:0}, ldvarg1=50, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50] [L7292] tmp___0 = ldv_zalloc(40UL) [L7293] ldvarg3 = (struct ifreq *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}] [L7294] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=44, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7294] RET, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(44UL)={0:0}, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}] [L7294] tmp___1 = ldv_zalloc(44UL) [L7295] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7296] tmp___2 = __VERIFIER_nondet_int() [L7297] ldvarg2 = tmp___2 [L7298] CALL ldv_initialize() [L7744] CALL ldv_set_init(LDV_SKBS) [L7596] set = set_impl [L7597] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={33:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7744] RET ldv_set_init(LDV_SKBS) [L7298] RET ldv_initialize() [L7299] ldv_state_variable_1 = 0 [L7300] ref_cnt = 0 [L7301] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: [L7450] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7451] COND TRUE ldv_state_variable_0 == 1 [L7452] CALL, EXPR dp83640_init() [L7245] int tmp ; [L7247] CALL, EXPR phy_driver_register(& dp83640_driver) [L7899] return __VERIFIER_nondet_int(); [L7247] RET, EXPR phy_driver_register(& dp83640_driver) [L7247] tmp = phy_driver_register(& dp83640_driver) [L7248] return (tmp); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=0] [L7452] RET, EXPR dp83640_init() [L7452] ldv_retval_1 = dp83640_init() [L7453] COND TRUE ldv_retval_1 == 0 [L7454] ldv_state_variable_0 = 3 [L7455] ldv_state_variable_1 = 1 [L7456] CALL ldv_initialize_phy_driver_1() [L7266] void *tmp ; [L7267] void *tmp___0 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7269] CALL, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=2048, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=2048, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7269] RET, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(2048UL)={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7269] tmp = ldv_zalloc(2048UL) [L7270] dp83640_driver_group0 = (struct phy_device *)tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={0:0}] [L7271] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=232, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7271] RET, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(232UL)={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={0:0}] [L7271] tmp___0 = ldv_zalloc(232UL) [L7272] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={0:0}, tmp___0={0:0}] [L7456] RET ldv_initialize_phy_driver_1() [L7459] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7381] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7382] CALL dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7172] struct dp83640_private *dp83640 ; [L7173] bool tmp ; [L7175] EXPR phydev->priv [L7175] dp83640 = (struct dp83640_private *)phydev->priv [L7176] EXPR dp83640->hwts_rx_en VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640->hwts_rx_en=4294967306, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, type=50] [L7176] COND FALSE !(dp83640->hwts_rx_en == 0) [L7180] CALL, EXPR is_status_frame(skb, type) [L6126] struct ethhdr *h ; [L6127] struct ethhdr *tmp ; [L6128] int tmp___0 ; [L6130] CALL, EXPR eth_hdr((struct sk_buff const *)skb) [L5681] unsigned char *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5683] CALL, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5577] EXPR skb->head [L5577] EXPR skb->mac_header [L5577] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5683] RET, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, skb_mac_header(skb)={4294967298:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5683] tmp = skb_mac_header(skb) [L5684] return ((struct ethhdr *)tmp); VAL [\old(last_index)=0, \result={4294967298:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={4294967298:0}] [L6130] RET, EXPR eth_hdr((struct sk_buff const *)skb) [L6130] tmp = eth_hdr((struct sk_buff const *)skb) [L6131] h = tmp VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, h={4294967298:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={4294967298:0}, type=50] [L6132] COND TRUE type == 50 [L6133-L6134] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6135] COND TRUE tmp___0 == 0 [L6136] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, h={4294967298:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={4294967298:0}, tmp___0=0, type=50] [L7180] RET, EXPR is_status_frame(skb, type) [L7180] tmp = is_status_frame(skb, type) [L7181] COND TRUE (int )tmp [L7182] CALL decode_status_frame(dp83640, skb) [L6482] struct phy_rxts *phy_rxts ; [L6483] struct phy_txts *phy_txts ; [L6484] u8 *ptr ; [L6485] int len ; [L6486] int size ; [L6487] u16 ests ; [L6488] u16 type ; [L6489] unsigned int tmp ; [L6491] EXPR skb->data [L6491] ptr = skb->data + 2U [L6492] CALL, EXPR skb_headlen((struct sk_buff const *)skb) [L5571] EXPR skb->len [L5571] EXPR skb->data_len [L5571] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6492] RET, EXPR skb_headlen((struct sk_buff const *)skb) [L6492] tmp = skb_headlen((struct sk_buff const *)skb) [L6493] len = (int )(tmp - 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=11, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:55}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13] [L6520] COND TRUE (unsigned int )len > 2U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=11, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:55}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13] [L6496] EXPR \read(*ptr) [L6496] type = *((u16 *)ptr) [L6497] ests = (unsigned int )type & 4095U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=11, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:55}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13, type=4095] [L6498] type = (unsigned int )type & 61440U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=11, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:55}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13, type=4096] [L6499] len = (int )((unsigned int )len - 2U) [L6500] ptr = ptr + 2UL VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=9, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:57}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13, type=4096] [L6501] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=9, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:57}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13, type=4096] [L6506] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6507] phy_txts = (struct phy_txts *)ptr [L6508] CALL decode_txts(dp83640, phy_txts) [L6451] struct skb_shared_hwtstamps shhwtstamps ; [L6452] struct sk_buff *skb ; [L6453] u64 ns ; [L6454] struct _ddebug descriptor ; [L6455] long tmp ; [L6457] CALL, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L7537] struct sk_buff *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, ldv_func_arg1={4294967297:2735}, ldv_func_arg1={4294967297:2735}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7539] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7728] void *skb ; [L7729] void *tmp___7 ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7731] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND FALSE !(tmp___0 != 0) [L5621] EXPR, FCALL calloc(1UL, size) [L5621] tmp = calloc(1UL, size) [L5622] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, calloc(1UL, size)={2012:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2012:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={2012:0}, tmp___0=0] [L5623] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, cond=1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5623] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, calloc(1UL, size)={2012:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2012:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={2012:0}, tmp___0=0] [L5624] CALL, EXPR IS_ERR(p) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={2012:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7494] bool tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={2012:0}, ptr={2012:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7496] CALL, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={2012:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7692] return ((unsigned long )ptr > 2012UL); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={2012:0}, ptr={2012:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7496] RET, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={2012:0}, ptr={2012:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7496] tmp = ldv_is_err(ptr) [L7497] return (tmp); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={2012:0}, ptr={2012:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=0] [L5624] RET, EXPR IS_ERR(p) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, calloc(1UL, size)={2012:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2012:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={2012:0}, tmp___0=0] [L5624] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, cond=1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5624] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, calloc(1UL, size)={2012:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2012:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={2012:0}, tmp___0=0] [L5625] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={2012:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, calloc(1UL, size)={2012:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2012:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={2012:0}, tmp___0=0] [L7731] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={2012:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7731] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7732] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___7={2012:0}] [L7733] COND FALSE !(! skb) [L7736] CALL ldv_set_add(LDV_SKBS, skb) [L7604] int i ; [L7606] i = 0 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={2012:0}, e={2012:0}, gpio_tab={35:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7607] COND TRUE 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={2012:0}, e={2012:0}, gpio_tab={35:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7608] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={2012:0}, e={2012:0}, gpio_tab={35:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7618] COND TRUE last_index < 15 [L7619] set_impl[last_index] = e [L7620] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={2012:0}, e={2012:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7736] RET ldv_set_add(LDV_SKBS, skb) [L7737] return (skb); VAL [\old(last_index)=0, \result={2012:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___7={2012:0}] [L7539] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, ldv_func_arg1={4294967297:2735}, ldv_func_arg1={4294967297:2735}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={2012:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7539] tmp = ldv_skb_alloc() [L7540] return (tmp); VAL [\old(last_index)=0, \result={2012:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, ldv_func_arg1={4294967297:2735}, ldv_func_arg1={4294967297:2735}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={2012:0}] [L6457] RET, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L6457] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6458] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, descriptor={2015:0}, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy_txts={4294967299:57}, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={2016:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6473] CALL, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5850] u64 ns ; [L5851] u32 sec ; [L5853] EXPR p->sec_lo [L5853] sec = (u32 )p->sec_lo [L5854] EXPR p->sec_hi VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={4294967299:57}, p={4294967299:57}, p->sec_hi=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5854] sec = (u32 )((int )p->sec_hi << 16) | sec VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={4294967299:57}, p={4294967299:57}, p->sec_hi=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5855] EXPR p->ns_lo [L5855] ns = (u64 )p->ns_lo [L5856] EXPR p->ns_hi VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=42, p={4294967299:57}, p={4294967299:57}, p->ns_hi=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5856] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=42, p={4294967299:57}, p={4294967299:57}, p->ns_hi=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5857] ns = (unsigned long long )sec * 1000000000ULL + ns [L5858] return (ns); VAL [\old(last_index)=0, \result=42, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=42, p={4294967299:57}, p={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6473] RET, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, descriptor={2015:0}, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy2txts(phy_txts)=42, phy_txts={4294967299:57}, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={2016:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6473] ns = phy2txts(phy_txts) [L6474] FCALL memset((void *)(& shhwtstamps), 0, 16UL) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, descriptor={2015:0}, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, memset((void *)(& shhwtstamps), 0, 16UL)={2016:0}, ns=42, phy_txts={4294967299:57}, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={2016:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6475] CALL, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, \old(ns)=42, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [\old(last_index)=0, \old(ns)=42, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=42, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, unknown-#res!tv64-unknown=42] [L6475] RET, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, descriptor={2015:0}, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=42, ns_to_ktime(ns)=42, phy_txts={4294967299:57}, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={2016:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6475] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6476] FCALL skb_complete_tx_timestamp(skb, & shhwtstamps) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, descriptor={2015:0}, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=42, phy_txts={4294967299:57}, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={2016:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6477] return; [L6477] return; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=42, phy_txts={4294967299:57}, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6508] RET decode_txts(dp83640, phy_txts) [L6509] size = 8 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=9, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:57}, ref_cnt=0, set_impl={33:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13, type=4096] [L6517] ptr = ptr + (unsigned long )size [L6518] len = len - size VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=1, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:65}, ref_cnt=0, set_impl={33:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13, type=4096] [L6520] COND FALSE !((unsigned int )len > 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=1, phy_txts={4294967299:57}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={4294967299:65}, ref_cnt=0, set_impl={33:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=13, type=4096] [L7182] RET decode_status_frame(dp83640, skb) [L7183] CALL ldv_kfree_skb_18(skb) [L7585] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7751] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7629] int i ; [L7630] int deleted_index ; [L7632] deleted_index = -1 [L7633] i = 0 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7635] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7639] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, set_impl[i]={2012:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7639] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7644] i = i + 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7635] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7646] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7751] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7585] RET ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7183] RET ldv_kfree_skb_18(skb) [L7184] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640={4294967297:43}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=1, type=50] [L7382] RET dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1)=1, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7383] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7386] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7443] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7444] CALL dp83640_exit() [L7254] CALL dp83640_free_clocks() [L6625] struct dp83640_clock *clock ; [L6626] struct list_head *this ; [L6627] struct list_head *next ; [L6628] struct list_head const *__mptr ; [L6629] int tmp ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6631] FCALL mutex_lock_nested(& phyter_clocks_lock, 0U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6632] EXPR phyter_clocks.next [L6632] this = phyter_clocks.next [L6633] EXPR this->next [L6633] next = this->next [L6656] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={36:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, this={36:0}] [L6660] FCALL mutex_unlock(& phyter_clocks_lock) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={36:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, this={36:0}] [L7254] RET dp83640_free_clocks() [L7255] FCALL phy_driver_unregister(& dp83640_driver) [L7444] RET dp83640_exit() [L7445] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7480] CALL ldv_check_final_state() [L7795] int tmp___7 ; [L7797] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7686] return (last_index == 0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7797] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7797] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7798] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___7=0] [L7800] CALL ldv_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5649] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967301:4294967302}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 856 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 401.8s, OverallIterations: 27, TraceHistogramMax: 16, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 311.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 42426 SdHoareTripleChecker+Valid, 263.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40142 mSDsluCounter, 138771 SdHoareTripleChecker+Invalid, 241.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 12244 IncrementalHoareTripleChecker+Unchecked, 117068 mSDsCounter, 22399 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156150 IncrementalHoareTripleChecker+Invalid, 190798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22399 mSolverCounterUnsat, 21703 mSDtfsCounter, 156150 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4841 GetRequests, 4266 SyntacticMatches, 25 SemanticMatches, 550 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6644 ImplicationChecksByTransitivity, 35.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16348occurred in iteration=26, InterpolantAutomatonStates: 418, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 24877 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 7.8s SatisfiabilityAnalysisTime, 56.0s InterpolantComputationTime, 6485 NumberOfCodeBlocks, 6485 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 7835 ConstructedInterpolants, 65 QuantifiedInterpolants, 42712 SizeOfPredicates, 84 NumberOfNonLiveVariables, 14877 ConjunctsInSsa, 292 ConjunctsInUnsatCore, 43 InterpolantComputations, 19 PerfectInterpolantSequences, 3338/3749 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:42:20,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/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--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:42:22,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:42:23,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:42:23,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:42:23,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:42:23,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:42:23,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:42:23,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:42:23,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:42:23,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:42:23,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:42:23,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:42:23,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:42:23,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:42:23,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:42:23,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:42:23,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:42:23,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:42:23,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:42:23,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:42:23,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:42:23,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:42:23,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:42:23,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:42:23,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:42:23,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:42:23,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:42:23,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:42:23,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:42:23,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:42:23,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:42:23,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:42:23,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:42:23,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:42:23,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:42:23,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:42:23,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:42:23,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:42:23,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:42:23,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:42:23,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:42:23,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:42:23,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:42:23,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:42:23,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:42:23,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:42:23,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:42:23,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:42:23,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:42:23,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:42:23,184 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:42:23,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:42:23,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:42:23,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:42:23,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:42:23,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:42:23,187 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:42:23,187 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:42:23,188 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:42:23,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:42:23,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:42:23,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:42:23,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:42:23,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:42:23,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:42:23,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:42:23,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:42:23,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:42:23,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:42:23,191 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:42:23,192 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:42:23,192 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:42:23,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:42:23,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:42:23,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:42:23,193 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-11-16 11:42:23,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:42:23,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:42:23,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:42:23,653 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:42:23,654 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:42:23,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-16 11:42:23,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/17fb3f86f/0a40611246244b70bf6fa1e7e65f1c3d/FLAG41c0bb875 [2022-11-16 11:42:24,642 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:42:24,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-16 11:42:24,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/17fb3f86f/0a40611246244b70bf6fa1e7e65f1c3d/FLAG41c0bb875 [2022-11-16 11:42:25,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/bin/uautomizer-tPACEb0tL8/data/17fb3f86f/0a40611246244b70bf6fa1e7e65f1c3d [2022-11-16 11:42:25,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:42:25,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:42:25,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:42:25,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:42:25,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:42:25,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:25" (1/1) ... [2022-11-16 11:42:25,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e07be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:25, skipping insertion in model container [2022-11-16 11:42:25,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:25" (1/1) ... [2022-11-16 11:42:25,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:42:25,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:42:26,319 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ff5ae3-090b-400a-adbe-783f61cb1d66/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-16 11:42:26,652 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:260) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:122) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1004) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:972) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1085) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1631) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1085) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1085) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1474) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2365) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 11:42:26,660 INFO L158 Benchmark]: Toolchain (without parser) took 1527.09ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-16 11:42:26,661 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory was 53.8MB in the beginning and 53.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:42:26,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1522.96ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 43.1MB in the end (delta: 1.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-16 11:42:26,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory was 53.8MB in the beginning and 53.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1522.96ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 43.1MB in the end (delta: 1.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:260) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type