./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a --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 046f5371192e04edfcb404c42cbf904dba4f5de1b9feb443275d06b623bd9ae5 --- 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-b5237d8 [2022-11-21 16:35:59,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:35:59,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:35:59,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:35:59,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:35:59,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:35:59,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:35:59,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:35:59,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:35:59,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:35:59,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:35:59,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:35:59,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:35:59,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:35:59,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:35:59,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:35:59,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:35:59,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:35:59,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:35:59,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:35:59,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:35:59,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:35:59,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:35:59,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:35:59,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:35:59,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:35:59,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:35:59,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:35:59,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:35:59,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:35:59,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:35:59,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:35:59,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:35:59,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:35:59,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:35:59,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:35:59,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:35:59,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:35:59,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:35:59,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:35:59,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:35:59,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:35:59,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:35:59,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:35:59,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:35:59,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:35:59,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:35:59,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:35:59,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:35:59,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:35:59,520 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:35:59,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:35:59,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:35:59,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:35:59,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:35:59,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:35:59,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:35:59,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:35:59,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:35:59,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:35:59,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:35:59,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:35:59,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:35:59,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:35:59,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:35:59,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:35:59,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:35:59,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:35:59,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:35:59,525 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:35:59,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:35:59,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:35:59,526 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_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 046f5371192e04edfcb404c42cbf904dba4f5de1b9feb443275d06b623bd9ae5 [2022-11-21 16:35:59,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:35:59,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:35:59,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:35:59,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:35:59,863 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:35:59,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2022-11-21 16:36:02,935 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:36:03,856 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:36:03,857 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2022-11-21 16:36:03,932 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/data/2aaebc568/a6e55183c80442bfa86042510cfd4ad3/FLAGf9f75e182 [2022-11-21 16:36:03,949 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/data/2aaebc568/a6e55183c80442bfa86042510cfd4ad3 [2022-11-21 16:36:03,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:36:03,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:36:03,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:03,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:36:03,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:36:03,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:03" (1/1) ... [2022-11-21 16:36:03,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf08282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:03, skipping insertion in model container [2022-11-21 16:36:03,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:03" (1/1) ... [2022-11-21 16:36:03,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:36:04,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:36:05,010 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2022-11-21 16:36:05,013 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2022-11-21 16:36:05,883 WARN L237 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_82af213c-638e-4525-a719-3f66e20371b5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i[206918,206931] [2022-11-21 16:36:12,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:12,584 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:36:12,779 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2022-11-21 16:36:12,779 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2022-11-21 16:36:12,797 WARN L237 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_82af213c-638e-4525-a719-3f66e20371b5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i[206918,206931] [2022-11-21 16:36:13,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:13,932 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:36:13,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13 WrapperNode [2022-11-21 16:36:13,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:13,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:13,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:36:13,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:36:13,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:14,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:16,155 INFO L138 Inliner]: procedures = 855, calls = 12338, calls flagged for inlining = 306, calls inlined = 282, statements flattened = 20068 [2022-11-21 16:36:16,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:16,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:36:16,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:36:16,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:36:16,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:16,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:17,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:17,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:18,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:18,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:18,423 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:18,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:18,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:36:18,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:36:18,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:36:18,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:36:18,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (1/1) ... [2022-11-21 16:36:18,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:18,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:18,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:36:18,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:36:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-21 16:36:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-21 16:36:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-21 16:36:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-21 16:36:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-21 16:36:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-21 16:36:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 16:36:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 16:36:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-21 16:36:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-21 16:36:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-21 16:36:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-21 16:36:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 16:36:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 16:36:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2022-11-21 16:36:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2022-11-21 16:36:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 16:36:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 16:36:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-21 16:36:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-21 16:36:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-21 16:36:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-21 16:36:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-21 16:36:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-21 16:36:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-21 16:36:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-21 16:36:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-21 16:36:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-21 16:36:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 16:36:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 16:36:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 16:36:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 16:36:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-21 16:36:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-21 16:36:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-21 16:36:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-21 16:36:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-21 16:36:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:36:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:36:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-21 16:36:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-21 16:36:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2022-11-21 16:36:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2022-11-21 16:36:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-21 16:36:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-21 16:36:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2022-11-21 16:36:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2022-11-21 16:36:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 16:36:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 16:36:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-21 16:36:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-21 16:36:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-21 16:36:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-21 16:36:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-21 16:36:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-21 16:36:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 16:36:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 16:36:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-21 16:36:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-21 16:36:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_operation_mode [2022-11-21 16:36:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_operation_mode [2022-11-21 16:36:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-21 16:36:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-21 16:36:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-21 16:36:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-21 16:36:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-11-21 16:36:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-11-21 16:36:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:36:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-21 16:36:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-21 16:36:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-21 16:36:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-21 16:36:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-21 16:36:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-21 16:36:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 16:36:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 16:36:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-21 16:36:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-21 16:36:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-21 16:36:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-21 16:36:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-21 16:36:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-21 16:36:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-21 16:36:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-21 16:36:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-21 16:36:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-21 16:36:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-21 16:36:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-21 16:36:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:36:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-11-21 16:36:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-11-21 16:36:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-21 16:36:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-21 16:36:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:36:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 16:36:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 16:36:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-21 16:36:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-21 16:36:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:36:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-21 16:36:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-21 16:36:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 16:36:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-21 16:36:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-21 16:36:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-21 16:36:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-21 16:36:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 16:36:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 16:36:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-21 16:36:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-21 16:36:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 16:36:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 16:36:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2022-11-21 16:36:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2022-11-21 16:36:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 16:36:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 16:36:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-21 16:36:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-21 16:36:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-21 16:36:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-21 16:36:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm___0 [2022-11-21 16:36:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm___0 [2022-11-21 16:36:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-21 16:36:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-21 16:36:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:36:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:36:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-21 16:36:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-21 16:36:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-21 16:36:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-21 16:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-21 16:36:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-21 16:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-21 16:36:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-21 16:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 16:36:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 16:36:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-21 16:36:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-21 16:36:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-21 16:36:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-21 16:36:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 16:36:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 16:36:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-21 16:36:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-21 16:36:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-21 16:36:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-21 16:36:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-21 16:36:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-21 16:36:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-21 16:36:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-21 16:36:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-21 16:36:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-21 16:36:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-21 16:36:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-21 16:36:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:36:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:36:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-21 16:36:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-21 16:36:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 16:36:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 16:36:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-21 16:36:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-21 16:36:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-21 16:36:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-21 16:36:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-21 16:36:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-21 16:36:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-21 16:36:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-21 16:36:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:36:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 16:36:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 16:36:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-21 16:36:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-21 16:36:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-21 16:36:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-21 16:36:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 16:36:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 16:36:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_init [2022-11-21 16:36:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_init [2022-11-21 16:36:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm___0 [2022-11-21 16:36:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm___0 [2022-11-21 16:36:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 16:36:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-21 16:36:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-21 16:36:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-21 16:36:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-21 16:36:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-21 16:36:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-21 16:36:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:36:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:36:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-21 16:36:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-21 16:36:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-21 16:36:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-21 16:36:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-21 16:36:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-21 16:36:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-21 16:36:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-21 16:36:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2022-11-21 16:36:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2022-11-21 16:36:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:36:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:36:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-21 16:36:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-21 16:36:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-21 16:36:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-21 16:36:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-21 16:36:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-21 16:36:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 16:36:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 16:36:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-21 16:36:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-21 16:36:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-21 16:36:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-21 16:36:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_dma_regs [2022-11-21 16:36:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_dma_regs [2022-11-21 16:36:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-21 16:36:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-21 16:36:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:36:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-21 16:36:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-21 16:36:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-21 16:36:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-21 16:36:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 16:36:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 16:36:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:36:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-21 16:36:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-21 16:36:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-21 16:36:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-21 16:36:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 16:36:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 16:36:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-21 16:36:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-21 16:36:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-21 16:36:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-21 16:36:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-21 16:36:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-21 16:36:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-21 16:36:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-21 16:36:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-21 16:36:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-21 16:36:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 16:36:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 16:36:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-21 16:36:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-21 16:36:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 16:36:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 16:36:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-11-21 16:36:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-11-21 16:36:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 16:36:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 16:36:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-21 16:36:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-21 16:36:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-21 16:36:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-21 16:36:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-21 16:36:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-21 16:36:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-21 16:36:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-21 16:36:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-21 16:36:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-21 16:36:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-21 16:36:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-21 16:36:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-21 16:36:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-21 16:36:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-21 16:36:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-21 16:36:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 16:36:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 16:36:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-21 16:36:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-21 16:36:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-21 16:36:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-21 16:36:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:36:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-11-21 16:36:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-11-21 16:36:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-21 16:36:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-21 16:36:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 16:36:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 16:36:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:36:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:36:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-21 16:36:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-21 16:36:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-21 16:36:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-21 16:36:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-21 16:36:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-21 16:36:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-21 16:36:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-21 16:36:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2022-11-21 16:36:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2022-11-21 16:36:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-21 16:36:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-21 16:36:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-21 16:36:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-21 16:36:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 16:36:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 16:36:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-21 16:36:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-21 16:36:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2022-11-21 16:36:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2022-11-21 16:36:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-21 16:36:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-21 16:36:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-21 16:36:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-21 16:36:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-21 16:36:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-21 16:36:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-21 16:36:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-21 16:36:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-21 16:36:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-21 16:36:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-21 16:36:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-21 16:36:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-21 16:36:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-21 16:36:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-21 16:36:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-21 16:36:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2022-11-21 16:36:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2022-11-21 16:36:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-21 16:36:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-21 16:36:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-21 16:36:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-21 16:36:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 16:36:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 16:36:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2022-11-21 16:36:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2022-11-21 16:36:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-21 16:36:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-21 16:36:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-21 16:36:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-21 16:36:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 16:36:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 16:36:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:36:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:36:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-21 16:36:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-21 16:36:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-21 16:36:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-21 16:36:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 16:36:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 16:36:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-21 16:36:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-21 16:36:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-21 16:36:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-21 16:36:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-21 16:36:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-21 16:36:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:36:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:36:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3___0 [2022-11-21 16:36:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3___0 [2022-11-21 16:36:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-21 16:36:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-21 16:36:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-21 16:36:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-21 16:36:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-21 16:36:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-21 16:36:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-21 16:36:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-21 16:36:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-21 16:36:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-21 16:36:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-21 16:36:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-21 16:36:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:36:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-21 16:36:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-21 16:36:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-21 16:36:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-21 16:36:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-21 16:36:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-21 16:36:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-21 16:36:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-21 16:36:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-21 16:36:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-21 16:36:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-21 16:36:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-21 16:36:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 16:36:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 16:36:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-21 16:36:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-21 16:36:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-21 16:36:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-21 16:36:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:36:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 16:36:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 16:36:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-21 16:36:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-21 16:36:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-21 16:36:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-21 16:36:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-21 16:36:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-21 16:36:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-21 16:36:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-21 16:36:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-21 16:36:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-21 16:36:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 16:36:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 16:36:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:36:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-21 16:36:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-21 16:36:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 16:36:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 16:36:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-21 16:36:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-21 16:36:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:36:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:36:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_16 [2022-11-21 16:36:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_16 [2022-11-21 16:36:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_14 [2022-11-21 16:36:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_14 [2022-11-21 16:36:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-21 16:36:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-21 16:36:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-21 16:36:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-21 16:36:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:36:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:36:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-21 16:36:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-21 16:36:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-21 16:36:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-21 16:36:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-21 16:36:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-21 16:36:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-21 16:36:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-21 16:36:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2022-11-21 16:36:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2022-11-21 16:36:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_18 [2022-11-21 16:36:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_18 [2022-11-21 16:36:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-21 16:36:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-21 16:36:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-21 16:36:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-21 16:36:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-21 16:36:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-21 16:36:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-21 16:36:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-21 16:36:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-21 16:36:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-21 16:36:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-21 16:36:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-21 16:36:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-21 16:36:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-21 16:36:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-21 16:36:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-21 16:36:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-21 16:36:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-21 16:36:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-21 16:36:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-21 16:36:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-21 16:36:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-21 16:36:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-21 16:36:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-21 16:36:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-21 16:36:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-21 16:36:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-21 16:36:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-21 16:36:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-21 16:36:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-21 16:36:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-21 16:36:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-21 16:36:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:36:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:36:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-11-21 16:36:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-11-21 16:36:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-21 16:36:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-21 16:36:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-21 16:36:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-21 16:36:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:36:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:36:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-21 16:36:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-21 16:36:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure socfpga_dwmac_probe [2022-11-21 16:36:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure socfpga_dwmac_probe [2022-11-21 16:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-21 16:36:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-21 16:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-21 16:36:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-21 16:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-21 16:36:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-21 16:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-21 16:36:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-21 16:36:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-21 16:36:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-21 16:36:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-21 16:36:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-21 16:36:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-21 16:36:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-21 16:36:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-21 16:36:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-21 16:36:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2022-11-21 16:36:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2022-11-21 16:36:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-21 16:36:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-21 16:36:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 16:36:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 16:36:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_fix_features [2022-11-21 16:36:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_fix_features [2022-11-21 16:36:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-21 16:36:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-21 16:36:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-21 16:36:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-21 16:36:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-21 16:36:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-21 16:36:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-21 16:36:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-21 16:36:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-21 16:36:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-21 16:36:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:36:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:36:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:36:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_8 [2022-11-21 16:36:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_8 [2022-11-21 16:36:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-21 16:36:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-21 16:36:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-21 16:36:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-21 16:36:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-21 16:36:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-21 16:36:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-21 16:36:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-21 16:36:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-21 16:36:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-21 16:36:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-21 16:36:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-21 16:36:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-21 16:36:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-21 16:36:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-21 16:36:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-21 16:36:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:36:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:36:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 16:36:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 16:36:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-21 16:36:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-21 16:36:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-21 16:36:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-21 16:36:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-21 16:36:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-21 16:36:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-21 16:36:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-21 16:36:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-21 16:36:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-21 16:36:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-21 16:36:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-21 16:36:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 16:36:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 16:36:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-21 16:36:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-21 16:36:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-21 16:36:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-21 16:36:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-21 16:36:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-21 16:36:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-21 16:36:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-21 16:36:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:36:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-21 16:36:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-21 16:36:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-21 16:36:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-21 16:36:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-21 16:36:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-21 16:36:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-21 16:36:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-21 16:36:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-21 16:36:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-21 16:36:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 16:36:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 16:36:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-21 16:36:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-21 16:36:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-21 16:36:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-21 16:36:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-21 16:36:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-21 16:36:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-21 16:36:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-21 16:36:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-21 16:36:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-21 16:36:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-21 16:36:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-21 16:36:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:36:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:36:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-21 16:36:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-21 16:36:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-21 16:36:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-21 16:36:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-21 16:36:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-21 16:36:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-21 16:36:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-21 16:36:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-21 16:36:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-21 16:36:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-21 16:36:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-21 16:36:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-21 16:36:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-21 16:36:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-21 16:36:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-21 16:36:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 16:36:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 16:36:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-21 16:36:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-21 16:36:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-21 16:36:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-21 16:36:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-21 16:36:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-21 16:36:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-21 16:36:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-21 16:36:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 16:36:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 16:36:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-21 16:36:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-21 16:36:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-21 16:36:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-21 16:36:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2022-11-21 16:36:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2022-11-21 16:36:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-21 16:36:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-21 16:36:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2022-11-21 16:36:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2022-11-21 16:36:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 16:36:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 16:36:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-21 16:36:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-21 16:36:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 16:36:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 16:36:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:36:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:36:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-21 16:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-21 16:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-21 16:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-21 16:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-21 16:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-21 16:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-21 16:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-21 16:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-21 16:36:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-21 16:36:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:36:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 16:36:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 16:36:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-21 16:36:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-21 16:36:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-21 16:36:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-21 16:36:21,076 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:36:21,082 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:36:21,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:37:07,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:07,183 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:07,183 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 16:37:07,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:07 BoogieIcfgContainer [2022-11-21 16:37:07,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:07,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:07,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:07,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:07,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:36:03" (1/3) ... [2022-11-21 16:37:07,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b0fab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:07, skipping insertion in model container [2022-11-21 16:37:07,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:13" (2/3) ... [2022-11-21 16:37:07,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b0fab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:07, skipping insertion in model container [2022-11-21 16:37:07,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:07" (3/3) ... [2022-11-21 16:37:07,206 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2022-11-21 16:37:07,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:07,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:37:07,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:07,426 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;@141336f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:07,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:37:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 5971 states, 4140 states have (on average 1.3695652173913044) internal successors, (5670), 4264 states have internal predecessors, (5670), 1516 states have call successors, (1516), 314 states have call predecessors, (1516), 313 states have return successors, (1490), 1430 states have call predecessors, (1490), 1490 states have call successors, (1490) [2022-11-21 16:37:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-21 16:37:07,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:07,527 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:07,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:07,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:07,534 INFO L85 PathProgramCache]: Analyzing trace with hash 432879924, now seen corresponding path program 1 times [2022-11-21 16:37:07,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:07,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370987350] [2022-11-21 16:37:07,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:08,666 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:37:08,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215542906] [2022-11-21 16:37:08,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:08,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:08,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:08,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:37:08,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:37:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:13,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 17634 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:37:13,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-21 16:37:13,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:37:13,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:13,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370987350] [2022-11-21 16:37:13,642 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:37:13,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215542906] [2022-11-21 16:37:13,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215542906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:13,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:13,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:37:13,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523187963] [2022-11-21 16:37:13,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:13,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:13,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:13,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:13,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:13,700 INFO L87 Difference]: Start difference. First operand has 5971 states, 4140 states have (on average 1.3695652173913044) internal successors, (5670), 4264 states have internal predecessors, (5670), 1516 states have call successors, (1516), 314 states have call predecessors, (1516), 313 states have return successors, (1490), 1430 states have call predecessors, (1490), 1490 states have call successors, (1490) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:37:15,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:15,149 INFO L93 Difference]: Finished difference Result 17698 states and 26622 transitions. [2022-11-21 16:37:15,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:15,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2022-11-21 16:37:15,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:15,263 INFO L225 Difference]: With dead ends: 17698 [2022-11-21 16:37:15,263 INFO L226 Difference]: Without dead ends: 11644 [2022-11-21 16:37:15,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:15,322 INFO L413 NwaCegarLoop]: 10519 mSDtfsCounter, 8495 mSDsluCounter, 8642 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8495 SdHoareTripleChecker+Valid, 19161 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:15,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8495 Valid, 19161 Invalid, 148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 16:37:15,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11644 states. [2022-11-21 16:37:16,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11644 to 11625. [2022-11-21 16:37:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11625 states, 8087 states have (on average 1.3579819463336218) internal successors, (10982), 8281 states have internal predecessors, (10982), 2917 states have call successors, (2917), 623 states have call predecessors, (2917), 620 states have return successors, (3175), 2791 states have call predecessors, (3175), 2916 states have call successors, (3175) [2022-11-21 16:37:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11625 states to 11625 states and 17074 transitions. [2022-11-21 16:37:16,722 INFO L78 Accepts]: Start accepts. Automaton has 11625 states and 17074 transitions. Word has length 131 [2022-11-21 16:37:16,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:16,723 INFO L495 AbstractCegarLoop]: Abstraction has 11625 states and 17074 transitions. [2022-11-21 16:37:16,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:37:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 11625 states and 17074 transitions. [2022-11-21 16:37:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-21 16:37:16,759 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:16,760 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:16,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:37:16,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-21 16:37:16,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:16,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:16,992 INFO L85 PathProgramCache]: Analyzing trace with hash 261280952, now seen corresponding path program 1 times [2022-11-21 16:37:16,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:16,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436233491] [2022-11-21 16:37:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:16,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:37:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:37:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:37:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:37:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:37:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:37:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:37:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 16:37:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:37:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:37:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 16:37:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:37:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:37:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 16:37:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:37:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 16:37:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-21 16:37:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 16:37:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-21 16:37:19,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:19,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436233491] [2022-11-21 16:37:19,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436233491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:19,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:19,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:37:19,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107580242] [2022-11-21 16:37:19,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:19,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:37:19,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:19,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:37:19,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:37:19,476 INFO L87 Difference]: Start difference. First operand 11625 states and 17074 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:37:30,325 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 [] [2022-11-21 16:37:32,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:37:34,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:37:36,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:05,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:12,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:22,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:24,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:26,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:57,927 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 [] [2022-11-21 16:39:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:12,641 INFO L93 Difference]: Finished difference Result 42745 states and 67554 transitions. [2022-11-21 16:39:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:39:12,642 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2022-11-21 16:39:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:12,927 INFO L225 Difference]: With dead ends: 42745 [2022-11-21 16:39:12,927 INFO L226 Difference]: Without dead ends: 31139 [2022-11-21 16:39:13,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:39:13,021 INFO L413 NwaCegarLoop]: 6052 mSDtfsCounter, 20973 mSDsluCounter, 15749 mSDsCounter, 0 mSdLazyCounter, 27285 mSolverCounterSat, 13018 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22467 SdHoareTripleChecker+Valid, 21801 SdHoareTripleChecker+Invalid, 40312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 13018 IncrementalHoareTripleChecker+Valid, 27285 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:13,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22467 Valid, 21801 Invalid, 40312 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [13018 Valid, 27285 Invalid, 9 Unknown, 0 Unchecked, 109.9s Time] [2022-11-21 16:39:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31139 states. [2022-11-21 16:39:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31139 to 24068. [2022-11-21 16:39:15,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24068 states, 16672 states have (on average 1.3505278310940498) internal successors, (22516), 17116 states have internal predecessors, (22516), 6007 states have call successors, (6007), 1245 states have call predecessors, (6007), 1388 states have return successors, (7037), 5848 states have call predecessors, (7037), 6006 states have call successors, (7037) [2022-11-21 16:39:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24068 states to 24068 states and 35560 transitions. [2022-11-21 16:39:15,726 INFO L78 Accepts]: Start accepts. Automaton has 24068 states and 35560 transitions. Word has length 160 [2022-11-21 16:39:15,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:15,730 INFO L495 AbstractCegarLoop]: Abstraction has 24068 states and 35560 transitions. [2022-11-21 16:39:15,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:39:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 24068 states and 35560 transitions. [2022-11-21 16:39:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-21 16:39:15,759 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:15,760 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:39:15,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:39:15,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:39:15,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:15,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1519713002, now seen corresponding path program 1 times [2022-11-21 16:39:15,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:39:15,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342249514] [2022-11-21 16:39:15,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:15,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:39:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:39:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:39:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:39:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:39:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:39:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:39:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:39:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 16:39:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 16:39:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:39:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 16:39:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:39:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 16:39:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:39:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:39:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:39:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:39:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:39:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 16:39:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-21 16:39:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-21 16:39:18,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:39:18,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342249514] [2022-11-21 16:39:18,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342249514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:39:18,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:39:18,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:39:18,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140122497] [2022-11-21 16:39:18,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:39:18,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:39:18,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:39:18,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:39:18,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:39:18,448 INFO L87 Difference]: Start difference. First operand 24068 states and 35560 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:39:26,896 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 [] [2022-11-21 16:39:50,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:53,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:55,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:04,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:06,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:15,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:17,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:19,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:21,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:32,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:34,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:36,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:43,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:45,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:57,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:59,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:41:03,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:41:03,438 INFO L93 Difference]: Finished difference Result 85876 states and 135770 transitions. [2022-11-21 16:41:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:41:03,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 173 [2022-11-21 16:41:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:41:04,156 INFO L225 Difference]: With dead ends: 85876 [2022-11-21 16:41:04,157 INFO L226 Difference]: Without dead ends: 61827 [2022-11-21 16:41:04,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:41:04,294 INFO L413 NwaCegarLoop]: 6481 mSDtfsCounter, 29047 mSDsluCounter, 13857 mSDsCounter, 0 mSdLazyCounter, 22400 mSolverCounterSat, 21861 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30559 SdHoareTripleChecker+Valid, 20338 SdHoareTripleChecker+Invalid, 44278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 21861 IncrementalHoareTripleChecker+Valid, 22400 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:41:04,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30559 Valid, 20338 Invalid, 44278 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [21861 Valid, 22400 Invalid, 17 Unknown, 0 Unchecked, 100.9s Time] [2022-11-21 16:41:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61827 states. [2022-11-21 16:41:08,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61827 to 47872. [2022-11-21 16:41:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47872 states, 33160 states have (on average 1.3506634499396863) internal successors, (44788), 34046 states have internal predecessors, (44788), 11939 states have call successors, (11939), 2489 states have call predecessors, (11939), 2772 states have return successors, (13966), 11620 states have call predecessors, (13966), 11938 states have call successors, (13966) [2022-11-21 16:41:09,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47872 states to 47872 states and 70693 transitions. [2022-11-21 16:41:09,167 INFO L78 Accepts]: Start accepts. Automaton has 47872 states and 70693 transitions. Word has length 173 [2022-11-21 16:41:09,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:41:09,167 INFO L495 AbstractCegarLoop]: Abstraction has 47872 states and 70693 transitions. [2022-11-21 16:41:09,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:41:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 47872 states and 70693 transitions. [2022-11-21 16:41:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-21 16:41:09,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:41:09,203 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 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] [2022-11-21 16:41:09,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:41:09,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:41:09,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:09,204 INFO L85 PathProgramCache]: Analyzing trace with hash 950863290, now seen corresponding path program 1 times [2022-11-21 16:41:09,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:09,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402853437] [2022-11-21 16:41:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:09,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:09,804 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:41:09,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347015566] [2022-11-21 16:41:09,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:09,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:09,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:09,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:41:09,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:41:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:15,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 19040 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:41:15,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:41:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-21 16:41:15,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:41:15,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:15,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402853437] [2022-11-21 16:41:15,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:41:15,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347015566] [2022-11-21 16:41:15,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347015566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:15,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:15,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:41:15,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038316448] [2022-11-21 16:41:15,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:15,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:15,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:15,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:15,962 INFO L87 Difference]: Start difference. First operand 47872 states and 70693 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-21 16:41:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:41:18,868 INFO L93 Difference]: Finished difference Result 95773 states and 143551 transitions. [2022-11-21 16:41:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:18,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 249 [2022-11-21 16:41:18,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:41:19,530 INFO L225 Difference]: With dead ends: 95773 [2022-11-21 16:41:19,530 INFO L226 Difference]: Without dead ends: 47920 [2022-11-21 16:41:19,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:19,818 INFO L413 NwaCegarLoop]: 8585 mSDtfsCounter, 10 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17159 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:41:19,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 17159 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:41:19,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47920 states. [2022-11-21 16:41:23,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47920 to 47880. [2022-11-21 16:41:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47880 states, 33168 states have (on average 1.3505788712011577) internal successors, (44796), 34054 states have internal predecessors, (44796), 11939 states have call successors, (11939), 2489 states have call predecessors, (11939), 2772 states have return successors, (13966), 11620 states have call predecessors, (13966), 11938 states have call successors, (13966) [2022-11-21 16:41:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47880 states to 47880 states and 70701 transitions. [2022-11-21 16:41:23,540 INFO L78 Accepts]: Start accepts. Automaton has 47880 states and 70701 transitions. Word has length 249 [2022-11-21 16:41:23,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:41:23,542 INFO L495 AbstractCegarLoop]: Abstraction has 47880 states and 70701 transitions. [2022-11-21 16:41:23,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-21 16:41:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 47880 states and 70701 transitions. [2022-11-21 16:41:23,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-21 16:41:23,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:41:23,576 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:23,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:41:23,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:23,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:41:23,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:23,804 INFO L85 PathProgramCache]: Analyzing trace with hash -190490590, now seen corresponding path program 1 times [2022-11-21 16:41:23,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:23,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938685211] [2022-11-21 16:41:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:24,613 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:41:24,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955926258] [2022-11-21 16:41:24,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:24,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:24,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:24,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:41:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:41:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:29,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 18584 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:41:30,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:41:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-21 16:41:30,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:41:30,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:30,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938685211] [2022-11-21 16:41:30,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:41:30,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955926258] [2022-11-21 16:41:30,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955926258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:30,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:30,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:41:30,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195316839] [2022-11-21 16:41:30,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:30,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:41:30,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:30,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:41:30,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:41:30,083 INFO L87 Difference]: Start difference. First operand 47880 states and 70701 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:41:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:41:32,795 INFO L93 Difference]: Finished difference Result 95730 states and 144119 transitions. [2022-11-21 16:41:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:41:32,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-11-21 16:41:32,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:41:33,140 INFO L225 Difference]: With dead ends: 95730 [2022-11-21 16:41:33,141 INFO L226 Difference]: Without dead ends: 47852 [2022-11-21 16:41:33,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:41:33,682 INFO L413 NwaCegarLoop]: 8584 mSDtfsCounter, 2 mSDsluCounter, 17152 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25736 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:41:33,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25736 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:41:33,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47852 states. [2022-11-21 16:41:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47852 to 47852. [2022-11-21 16:41:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47852 states, 33152 states have (on average 1.3505067567567568) internal successors, (44772), 34038 states have internal predecessors, (44772), 11931 states have call successors, (11931), 2489 states have call predecessors, (11931), 2768 states have return successors, (13904), 11608 states have call predecessors, (13904), 11930 states have call successors, (13904) [2022-11-21 16:41:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47852 states to 47852 states and 70607 transitions. [2022-11-21 16:41:36,529 INFO L78 Accepts]: Start accepts. Automaton has 47852 states and 70607 transitions. Word has length 201 [2022-11-21 16:41:36,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:41:36,530 INFO L495 AbstractCegarLoop]: Abstraction has 47852 states and 70607 transitions. [2022-11-21 16:41:36,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:41:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 47852 states and 70607 transitions. [2022-11-21 16:41:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-21 16:41:36,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:41:36,572 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:36,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:41:36,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:36,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:41:36,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:36,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1963972643, now seen corresponding path program 1 times [2022-11-21 16:41:36,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:36,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914786187] [2022-11-21 16:41:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:36,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:37,666 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:41:37,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059648146] [2022-11-21 16:41:37,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:37,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:37,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:37,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:41:37,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:41:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:43,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 19095 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:41:43,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:41:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-21 16:41:43,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:41:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-21 16:41:43,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:43,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914786187] [2022-11-21 16:41:43,884 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:41:43,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059648146] [2022-11-21 16:41:43,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059648146] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:41:43,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 16:41:43,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-21 16:41:43,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306280995] [2022-11-21 16:41:43,885 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 16:41:43,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:41:43,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:43,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:41:43,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:41:43,887 INFO L87 Difference]: Start difference. First operand 47852 states and 70607 transitions. Second operand has 8 states, 8 states have (on average 27.0) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-21 16:41:46,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:41:46,487 INFO L93 Difference]: Finished difference Result 95798 states and 143822 transitions. [2022-11-21 16:41:46,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:41:46,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.0) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 254 [2022-11-21 16:41:46,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:41:46,809 INFO L225 Difference]: With dead ends: 95798 [2022-11-21 16:41:46,809 INFO L226 Difference]: Without dead ends: 47964 [2022-11-21 16:41:47,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:41:47,362 INFO L413 NwaCegarLoop]: 8578 mSDtfsCounter, 14 mSDsluCounter, 25707 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 34285 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:41:47,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 34285 Invalid, 127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [41 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:41:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47964 states. [2022-11-21 16:41:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47964 to 47964. [2022-11-21 16:41:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47964 states, 33248 states have (on average 1.3506977863330125) internal successors, (44908), 34134 states have internal predecessors, (44908), 11931 states have call successors, (11931), 2505 states have call predecessors, (11931), 2784 states have return successors, (13904), 11608 states have call predecessors, (13904), 11930 states have call successors, (13904) [2022-11-21 16:41:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47964 states to 47964 states and 70743 transitions. [2022-11-21 16:41:50,533 INFO L78 Accepts]: Start accepts. Automaton has 47964 states and 70743 transitions. Word has length 254 [2022-11-21 16:41:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:41:50,533 INFO L495 AbstractCegarLoop]: Abstraction has 47964 states and 70743 transitions. [2022-11-21 16:41:50,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.0) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-21 16:41:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 47964 states and 70743 transitions. [2022-11-21 16:41:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-21 16:41:50,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:41:50,577 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 3, 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] [2022-11-21 16:41:50,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:41:50,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 16:41:50,791 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:41:50,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:50,792 INFO L85 PathProgramCache]: Analyzing trace with hash -121669209, now seen corresponding path program 1 times [2022-11-21 16:41:50,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:50,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52567970] [2022-11-21 16:41:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:50,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:51,340 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:41:51,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [608625653] [2022-11-21 16:41:51,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:51,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:51,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:51,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:41:51,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82af213c-638e-4525-a719-3f66e20371b5/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process