./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--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/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--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro --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 a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 --- 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-8393723 [2022-11-18 20:28:31,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:28:31,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:28:31,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:28:31,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:28:31,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:28:31,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:28:31,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:28:31,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:28:31,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:28:31,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:28:31,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:28:31,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:28:31,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:28:31,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:28:31,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:28:31,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:28:31,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:28:31,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:28:31,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:28:31,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:28:31,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:28:31,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:28:31,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:28:31,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:28:31,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:28:31,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:28:31,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:28:31,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:28:31,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:28:31,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:28:31,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:28:31,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:28:31,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:28:31,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:28:31,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:28:31,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:28:31,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:28:31,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:28:31,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:28:31,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:28:31,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:28:32,028 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:28:32,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:28:32,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:28:32,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:28:32,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:28:32,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:28:32,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:28:32,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:28:32,033 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:28:32,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:28:32,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:28:32,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:28:32,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:28:32,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:28:32,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:28:32,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:28:32,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:28:32,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:28:32,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:28:32,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:28:32,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:28:32,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:28:32,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:28:32,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:28:32,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:28:32,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:28:32,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:28:32,037 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:28:32,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:28:32,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:28:32,038 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_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 [2022-11-18 20:28:32,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:28:32,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:28:32,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:28:32,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:28:32,468 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:28:32,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-18 20:28:32,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/data/ce196407c/f41fdb0ab169453689e5d4a416c29c07/FLAG8ba220d64 [2022-11-18 20:28:33,798 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:28:33,798 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-18 20:28:33,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/data/ce196407c/f41fdb0ab169453689e5d4a416c29c07/FLAG8ba220d64 [2022-11-18 20:28:33,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/data/ce196407c/f41fdb0ab169453689e5d4a416c29c07 [2022-11-18 20:28:33,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:28:33,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:28:33,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:28:33,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:28:33,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:28:33,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:28:33" (1/1) ... [2022-11-18 20:28:33,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcbca53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:33, skipping insertion in model container [2022-11-18 20:28:33,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:28:33" (1/1) ... [2022-11-18 20:28:33,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:28:34,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:28:35,534 WARN L234 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_d84003c4-2680-443c-95bb-702ef724015d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2022-11-18 20:28:37,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:28:37,397 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:28:37,608 WARN L234 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_d84003c4-2680-443c-95bb-702ef724015d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2022-11-18 20:28:37,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:28:38,223 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:28:38,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38 WrapperNode [2022-11-18 20:28:38,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:28:38,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:28:38,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:28:38,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:28:38,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:38,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:38,784 INFO L138 Inliner]: procedures = 398, calls = 3556, calls flagged for inlining = 231, calls inlined = 208, statements flattened = 8589 [2022-11-18 20:28:38,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:28:38,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:28:38,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:28:38,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:28:38,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:38,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:38,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:38,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:39,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:39,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:39,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:39,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:39,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:28:39,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:28:39,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:28:39,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:28:39,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (1/1) ... [2022-11-18 20:28:39,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:28:39,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:39,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:39,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84003c4-2680-443c-95bb-702ef724015d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:28:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:28:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:28:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-18 20:28:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-18 20:28:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:28:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:28:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-18 20:28:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-18 20:28:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:28:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:28:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-18 20:28:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-18 20:28:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 20:28:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 20:28:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:28:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:28:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:28:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:28:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-18 20:28:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-18 20:28:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2022-11-18 20:28:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2022-11-18 20:28:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2022-11-18 20:28:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2022-11-18 20:28:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-18 20:28:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-18 20:28:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-18 20:28:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-18 20:28:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:28:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:28:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-18 20:28:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-18 20:28:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2022-11-18 20:28:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2022-11-18 20:28:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:28:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:28:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:28:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:28:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-18 20:28:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-18 20:28:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 20:28:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 20:28:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:28:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:28:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 20:28:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2022-11-18 20:28:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2022-11-18 20:28:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:28:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:28:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2022-11-18 20:28:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2022-11-18 20:28:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-18 20:28:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-18 20:28:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:28:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-18 20:28:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-18 20:28:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:28:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:28:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:28:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:28:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2022-11-18 20:28:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2022-11-18 20:28:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:28:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:28:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:28:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:28:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:28:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:28:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:28:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:28:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:28:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-18 20:28:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-18 20:28:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:28:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:28:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2022-11-18 20:28:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2022-11-18 20:28:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-18 20:28:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-18 20:28:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2022-11-18 20:28:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2022-11-18 20:28:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_remove [2022-11-18 20:28:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_remove [2022-11-18 20:28:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:28:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:28:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2022-11-18 20:28:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2022-11-18 20:28:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:28:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:28:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:28:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:28:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:28:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:28:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:28:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2022-11-18 20:28:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2022-11-18 20:28:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-18 20:28:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-18 20:28:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2022-11-18 20:28:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2022-11-18 20:28:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:28:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:28:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:28:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:28:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2022-11-18 20:28:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2022-11-18 20:28:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2022-11-18 20:28:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2022-11-18 20:28:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-18 20:28:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-18 20:28:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:28:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:28:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:28:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:28:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-18 20:28:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-18 20:28:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 20:28:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 20:28:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:28:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:28:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:28:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:28:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:28:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:28:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-18 20:28:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-18 20:28:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:28:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:28:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2022-11-18 20:28:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2022-11-18 20:28:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2022-11-18 20:28:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2022-11-18 20:28:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2022-11-18 20:28:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2022-11-18 20:28:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:28:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:28:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-18 20:28:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-18 20:28:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2022-11-18 20:28:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2022-11-18 20:28:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:28:39,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:28:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:28:39,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:28:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:28:39,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:28:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 20:28:39,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 20:28:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-18 20:28:39,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-18 20:28:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:28:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:28:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:28:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2022-11-18 20:28:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2022-11-18 20:28:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:28:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:28:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:28:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 20:28:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 20:28:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:28:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2022-11-18 20:28:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2022-11-18 20:28:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2022-11-18 20:28:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2022-11-18 20:28:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 20:28:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 20:28:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:28:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:28:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:28:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:28:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:28:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:28:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:28:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:28:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2022-11-18 20:28:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2022-11-18 20:28:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2022-11-18 20:28:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2022-11-18 20:28:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:28:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:28:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 20:28:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 20:28:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-18 20:28:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-18 20:28:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:28:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:28:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-11-18 20:28:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-11-18 20:28:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2022-11-18 20:28:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2022-11-18 20:28:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-18 20:28:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-18 20:28:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:28:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:28:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2022-11-18 20:28:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2022-11-18 20:28:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:28:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:28:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:28:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 20:28:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 20:28:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:28:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:28:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2022-11-18 20:28:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2022-11-18 20:28:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2022-11-18 20:28:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2022-11-18 20:28:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2022-11-18 20:28:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2022-11-18 20:28:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 20:28:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 20:28:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2022-11-18 20:28:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2022-11-18 20:28:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-18 20:28:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-18 20:28:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2022-11-18 20:28:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2022-11-18 20:28:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-18 20:28:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-18 20:28:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2022-11-18 20:28:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2022-11-18 20:28:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-18 20:28:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-18 20:28:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:28:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:28:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-18 20:28:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-18 20:28:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2022-11-18 20:28:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2022-11-18 20:28:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:28:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2022-11-18 20:28:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2022-11-18 20:28:41,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:28:41,080 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:28:41,454 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:39:16,098 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:39:16,126 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:39:16,126 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:39:16,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:16 BoogieIcfgContainer [2022-11-18 20:39:16,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:39:16,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:39:16,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:39:16,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:39:16,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:28:33" (1/3) ... [2022-11-18 20:39:16,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3aebb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:16, skipping insertion in model container [2022-11-18 20:39:16,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:38" (2/3) ... [2022-11-18 20:39:16,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3aebb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:16, skipping insertion in model container [2022-11-18 20:39:16,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:16" (3/3) ... [2022-11-18 20:39:16,141 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-18 20:39:16,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:39:16,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:39:16,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:39:16,279 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;@6125c305, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:39:16,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:39:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 2535 states, 1869 states have (on average 1.3889780631353665) internal successors, (2596), 1902 states have internal predecessors, (2596), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) [2022-11-18 20:39:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-18 20:39:16,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:16,332 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-18 20:39:16,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:39:16,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:16,340 INFO L85 PathProgramCache]: Analyzing trace with hash -920830260, now seen corresponding path program 1 times [2022-11-18 20:39:16,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:16,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124883757] [2022-11-18 20:39:16,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:16,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:39:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:39:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:39:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:39:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:39:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:39:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:39:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:39:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:39:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:39:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:39:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 20:39:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-18 20:39:20,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:20,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124883757] [2022-11-18 20:39:20,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124883757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:20,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:20,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:39:20,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498816644] [2022-11-18 20:39:20,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:20,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:39:20,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:20,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:39:20,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:39:20,069 INFO L87 Difference]: Start difference. First operand has 2535 states, 1869 states have (on average 1.3889780631353665) internal successors, (2596), 1902 states have internal predecessors, (2596), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-18 20:39:22,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:24,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:26,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:32,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:34,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:37,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:39,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:42,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:46,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:48,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:51,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:53,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:55,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:57,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:15,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:17,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:19,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:21,959 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 [] [2022-11-18 20:40:29,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:29,556 INFO L93 Difference]: Finished difference Result 8034 states and 12089 transitions. [2022-11-18 20:40:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:40:29,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 92 [2022-11-18 20:40:29,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:29,618 INFO L225 Difference]: With dead ends: 8034 [2022-11-18 20:40:29,618 INFO L226 Difference]: Without dead ends: 5466 [2022-11-18 20:40:29,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:40:29,646 INFO L413 NwaCegarLoop]: 3468 mSDtfsCounter, 5929 mSDsluCounter, 5963 mSDsCounter, 0 mSdLazyCounter, 4995 mSolverCounterSat, 2998 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6323 SdHoareTripleChecker+Valid, 9431 SdHoareTripleChecker+Invalid, 8010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2998 IncrementalHoareTripleChecker+Valid, 4995 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:29,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6323 Valid, 9431 Invalid, 8010 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2998 Valid, 4995 Invalid, 17 Unknown, 0 Unchecked, 68.4s Time] [2022-11-18 20:40:29,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5466 states. [2022-11-18 20:40:29,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5466 to 4968. [2022-11-18 20:40:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4968 states, 3679 states have (on average 1.3737428649089427) internal successors, (5054), 3723 states have internal predecessors, (5054), 1076 states have call successors, (1076), 213 states have call predecessors, (1076), 212 states have return successors, (1075), 1067 states have call predecessors, (1075), 1075 states have call successors, (1075) [2022-11-18 20:40:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4968 states to 4968 states and 7205 transitions. [2022-11-18 20:40:30,046 INFO L78 Accepts]: Start accepts. Automaton has 4968 states and 7205 transitions. Word has length 92 [2022-11-18 20:40:30,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:30,047 INFO L495 AbstractCegarLoop]: Abstraction has 4968 states and 7205 transitions. [2022-11-18 20:40:30,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-18 20:40:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4968 states and 7205 transitions. [2022-11-18 20:40:30,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 20:40:30,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:30,052 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-18 20:40:30,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:40:30,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:30,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:30,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1959190807, now seen corresponding path program 1 times [2022-11-18 20:40:30,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:30,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733145958] [2022-11-18 20:40:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:30,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:40:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:40:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:40:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:40:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:40:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:40:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:40:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:40:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:40:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:40:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:40:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 20:40:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-18 20:40:34,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:34,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733145958] [2022-11-18 20:40:34,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733145958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:34,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:34,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:40:34,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086308837] [2022-11-18 20:40:34,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:34,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:40:34,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:34,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:40:34,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:40:34,258 INFO L87 Difference]: Start difference. First operand 4968 states and 7205 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:40:36,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:38,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:45,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:47,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:52,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:54,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:57,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:01,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:03,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:09,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:11,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:13,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:15,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:26,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:28,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:30,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:32,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:35,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:37,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:39,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:41,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:02,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:02,739 INFO L93 Difference]: Finished difference Result 10895 states and 16123 transitions. [2022-11-18 20:42:02,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:42:02,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 94 [2022-11-18 20:42:02,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:02,826 INFO L225 Difference]: With dead ends: 10895 [2022-11-18 20:42:02,826 INFO L226 Difference]: Without dead ends: 10887 [2022-11-18 20:42:02,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:42:02,838 INFO L413 NwaCegarLoop]: 3505 mSDtfsCounter, 5920 mSDsluCounter, 11470 mSDsCounter, 0 mSdLazyCounter, 8393 mSolverCounterSat, 2971 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6325 SdHoareTripleChecker+Valid, 14975 SdHoareTripleChecker+Invalid, 11384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2971 IncrementalHoareTripleChecker+Valid, 8393 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:02,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6325 Valid, 14975 Invalid, 11384 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2971 Valid, 8393 Invalid, 20 Unknown, 0 Unchecked, 87.2s Time] [2022-11-18 20:42:02,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10887 states. [2022-11-18 20:42:03,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10887 to 9917. [2022-11-18 20:42:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9917 states, 7343 states have (on average 1.3742339643197603) internal successors, (10091), 7435 states have internal predecessors, (10091), 2143 states have call successors, (2143), 425 states have call predecessors, (2143), 430 states have return successors, (2218), 2128 states have call predecessors, (2218), 2142 states have call successors, (2218) [2022-11-18 20:42:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9917 states to 9917 states and 14452 transitions. [2022-11-18 20:42:03,430 INFO L78 Accepts]: Start accepts. Automaton has 9917 states and 14452 transitions. Word has length 94 [2022-11-18 20:42:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:03,436 INFO L495 AbstractCegarLoop]: Abstraction has 9917 states and 14452 transitions. [2022-11-18 20:42:03,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:42:03,438 INFO L276 IsEmpty]: Start isEmpty. Operand 9917 states and 14452 transitions. [2022-11-18 20:42:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-18 20:42:03,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:03,483 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:03,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:42:03,484 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:03,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:03,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1064872795, now seen corresponding path program 1 times [2022-11-18 20:42:03,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:03,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534115978] [2022-11-18 20:42:03,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:03,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:42:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:42:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:42:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:42:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:42:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:42:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:42:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:42:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:42:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:42:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:42:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 20:42:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:42:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 20:42:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:42:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:42:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:42:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:42:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:42:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:42:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:42:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:42:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:42:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:42:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 20:42:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:42:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:42:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:42:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:42:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:42:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:42:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:42:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:42:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:42:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:42:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 20:42:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:42:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:42:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 20:42:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 20:42:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:42:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-18 20:42:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-18 20:42:08,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:08,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534115978] [2022-11-18 20:42:08,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534115978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:08,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:08,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-18 20:42:08,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940645218] [2022-11-18 20:42:08,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:08,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 20:42:08,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:08,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 20:42:08,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:42:08,556 INFO L87 Difference]: Start difference. First operand 9917 states and 14452 transitions. Second operand has 15 states, 14 states have (on average 13.214285714285714) internal successors, (185), 8 states have internal predecessors, (185), 3 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2022-11-18 20:42:10,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:13,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:31,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:33,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:38,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:40,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:42,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:44,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:04,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:06,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []