./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/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_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:44:48,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:44:48,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:44:48,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:44:48,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:44:48,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:44:48,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:44:48,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:44:48,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:44:48,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:44:48,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:44:48,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:44:48,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:44:48,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:44:48,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:44:48,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:44:48,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:44:48,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:44:48,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:44:48,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:44:48,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:44:48,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:44:48,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:44:48,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:44:48,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:44:48,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:44:48,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:44:48,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:44:48,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:44:48,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:44:48,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:44:48,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:44:48,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:44:48,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:44:48,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:44:48,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:44:48,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:44:48,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:44:48,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:44:48,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:44:48,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:44:48,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:44:48,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:44:48,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:44:48,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:44:48,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:44:48,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:44:48,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:44:48,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:44:48,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:44:48,599 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:44:48,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:44:48,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:44:48,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:44:48,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:44:48,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:44:48,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:44:48,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:44:48,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:44:48,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:44:48,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:44:48,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:44:48,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:44:48,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:44:48,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:44:48,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:44:48,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:44:48,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:44:48,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:44:48,604 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:44:48,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:44:48,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:44:48,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:44:48,605 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_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 046f5371192e04edfcb404c42cbf904dba4f5de1b9feb443275d06b623bd9ae5 [2021-12-07 01:44:48,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:44:48,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:44:48,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:44:48,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:44:48,795 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:44:48,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/../../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 [2021-12-07 01:44:48,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/data/1aa61705d/a1177fb8392b458b9b3e4390054149b5/FLAG4975eb701 [2021-12-07 01:44:49,569 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:44:49,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/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 [2021-12-07 01:44:49,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/data/1aa61705d/a1177fb8392b458b9b3e4390054149b5/FLAG4975eb701 [2021-12-07 01:44:49,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/data/1aa61705d/a1177fb8392b458b9b3e4390054149b5 [2021-12-07 01:44:49,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:44:49,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:44:49,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:44:49,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:44:49,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:44:49,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:44:49" (1/1) ... [2021-12-07 01:44:49,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7706c9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:49, skipping insertion in model container [2021-12-07 01:44:49,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:44:49" (1/1) ... [2021-12-07 01:44:49,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:44:49,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:44:50,395 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2021-12-07 01:44:50,395 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2021-12-07 01:44:50,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/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] [2021-12-07 01:44:55,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:44:55,921 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:44:56,010 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2021-12-07 01:44:56,011 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2021-12-07 01:44:56,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/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] [2021-12-07 01:44:56,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:44:56,847 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:44:56,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56 WrapperNode [2021-12-07 01:44:56,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:44:56,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:44:56,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:44:56,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:44:56,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:56,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:57,467 INFO L137 Inliner]: procedures = 855, calls = 12302, calls flagged for inlining = 306, calls inlined = 282, statements flattened = 20082 [2021-12-07 01:44:57,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:44:57,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:44:57,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:44:57,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:44:57,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:57,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:57,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:57,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:57,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:57,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:57,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:58,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:44:58,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:44:58,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:44:58,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:44:58,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (1/1) ... [2021-12-07 01:44:58,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:44:58,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:58,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:58,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:44:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-12-07 01:44:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-12-07 01:44:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-07 01:44:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-07 01:44:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-12-07 01:44:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-12-07 01:44:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-07 01:44:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-07 01:44:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-12-07 01:44:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-12-07 01:44:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-12-07 01:44:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-12-07 01:44:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 01:44:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 01:44:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-12-07 01:44:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-12-07 01:44:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:44:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:44:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-07 01:44:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-07 01:44:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-07 01:44:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-07 01:44:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-12-07 01:44:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-12-07 01:44:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-12-07 01:44:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-12-07 01:44:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-12-07 01:44:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-12-07 01:44:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 01:44:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 01:44:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 01:44:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 01:44:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-12-07 01:44:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-12-07 01:44:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-12-07 01:44:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-12-07 01:44:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-07 01:44:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:44:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:44:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-12-07 01:44:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-12-07 01:44:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-12-07 01:44:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-12-07 01:44:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-07 01:44:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-07 01:44:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2021-12-07 01:44:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2021-12-07 01:44:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:44:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:44:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-07 01:44:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-07 01:44:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-12-07 01:44:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-12-07 01:44:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-12-07 01:44:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-12-07 01:44:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 01:44:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 01:44:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-12-07 01:44:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-12-07 01:44:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_operation_mode [2021-12-07 01:44:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_operation_mode [2021-12-07 01:44:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-12-07 01:44:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-12-07 01:44:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-12-07 01:44:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-12-07 01:44:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-07 01:44:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-07 01:44:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:44:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-12-07 01:44:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-12-07 01:44:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-12-07 01:44:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-12-07 01:44:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-12-07 01:44:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-12-07 01:44:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 01:44:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 01:44:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-12-07 01:44:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-12-07 01:44:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-12-07 01:44:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-12-07 01:44:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-12-07 01:44:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-12-07 01:44:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-07 01:44:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-07 01:44:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-12-07 01:44:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-12-07 01:44:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-07 01:44:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-07 01:44:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:44:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-07 01:44:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-07 01:44:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-12-07 01:44:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-12-07 01:44:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:44:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 01:44:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 01:44:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-12-07 01:44:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-12-07 01:44:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:44:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-12-07 01:44:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-12-07 01:44:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:44:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-07 01:44:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-07 01:44:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-07 01:44:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-07 01:44:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-07 01:44:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-07 01:44:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-12-07 01:44:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-12-07 01:44:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 01:44:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 01:44:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-12-07 01:44:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-12-07 01:44:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 01:44:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 01:44:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-12-07 01:44:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-12-07 01:44:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-07 01:44:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-07 01:44:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm___0 [2021-12-07 01:44:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm___0 [2021-12-07 01:44:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-07 01:44:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-07 01:44:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 01:44:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 01:44:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-12-07 01:44:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-12-07 01:44:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-12-07 01:44:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-12-07 01:44:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-07 01:44:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-07 01:44:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-12-07 01:44:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-12-07 01:44:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-07 01:44:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-07 01:44:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-12-07 01:44:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-12-07 01:44:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-12-07 01:44:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-12-07 01:44:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:44:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:44:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-12-07 01:44:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-12-07 01:44:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-12-07 01:44:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-12-07 01:44:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-12-07 01:44:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-12-07 01:44:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-12-07 01:44:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-12-07 01:44:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-12-07 01:44:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-12-07 01:44:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-12-07 01:44:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-12-07 01:44:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:44:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:44:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-12-07 01:44:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-12-07 01:44:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:44:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:44:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-12-07 01:44:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-12-07 01:44:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-12-07 01:44:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-12-07 01:44:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-07 01:44:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-07 01:44:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-12-07 01:44:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-12-07 01:44:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:44:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:44:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:44:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-12-07 01:44:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-12-07 01:44:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-07 01:44:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-07 01:44:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 01:44:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 01:44:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_init [2021-12-07 01:44:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_init [2021-12-07 01:44:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm___0 [2021-12-07 01:44:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm___0 [2021-12-07 01:44:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-07 01:44:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-12-07 01:44:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-12-07 01:44:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-12-07 01:44:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-12-07 01:44:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-07 01:44:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-07 01:44:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 01:44:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 01:44:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-12-07 01:44:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-12-07 01:44:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-12-07 01:44:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-12-07 01:44:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 01:44:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 01:44:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-07 01:44:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-07 01:44:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-12-07 01:44:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-12-07 01:44:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:44:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:44:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-07 01:44:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-07 01:44:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-12-07 01:44:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-12-07 01:44:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-12-07 01:44:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-12-07 01:44:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-07 01:44:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-07 01:44:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-12-07 01:44:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-12-07 01:44:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 01:44:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 01:44:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_dma_regs [2021-12-07 01:44:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_dma_regs [2021-12-07 01:44:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-07 01:44:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-07 01:44:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:44:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-12-07 01:44:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-12-07 01:44:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-12-07 01:44:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-12-07 01:44:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:44:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:44:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:44:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-07 01:44:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-07 01:44:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-12-07 01:44:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-12-07 01:44:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-07 01:44:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-07 01:44:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-12-07 01:44:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-12-07 01:44:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-12-07 01:44:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-12-07 01:44:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-12-07 01:44:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-12-07 01:44:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-12-07 01:44:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-12-07 01:44:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-12-07 01:44:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-12-07 01:44:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 01:44:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 01:44:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-12-07 01:44:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-12-07 01:44:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 01:44:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 01:44:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2021-12-07 01:44:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2021-12-07 01:44:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 01:44:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 01:44:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-12-07 01:44:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-12-07 01:44:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-12-07 01:44:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-12-07 01:44:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-12-07 01:44:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-12-07 01:44:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-12-07 01:44:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-12-07 01:44:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-07 01:44:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-07 01:44:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 01:44:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 01:44:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 01:44:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 01:44:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-12-07 01:44:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-12-07 01:44:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:44:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:44:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-12-07 01:44:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-12-07 01:44:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-12-07 01:44:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-12-07 01:44:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:44:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-12-07 01:44:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-12-07 01:44:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-12-07 01:44:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-12-07 01:44:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-07 01:44:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-07 01:44:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:44:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:44:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-12-07 01:44:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-12-07 01:44:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-07 01:44:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-07 01:44:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-12-07 01:44:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-12-07 01:44:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-07 01:44:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-07 01:44:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2021-12-07 01:44:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2021-12-07 01:44:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-12-07 01:44:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-12-07 01:44:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-07 01:44:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-07 01:44:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-07 01:44:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-07 01:44:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 01:44:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 01:44:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-12-07 01:44:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-12-07 01:44:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-12-07 01:44:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-12-07 01:44:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-12-07 01:44:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-12-07 01:44:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-12-07 01:44:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-12-07 01:44:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-07 01:44:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-07 01:44:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-12-07 01:44:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-12-07 01:44:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-12-07 01:44:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-12-07 01:44:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-12-07 01:44:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-12-07 01:44:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-12-07 01:44:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-12-07 01:44:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-12-07 01:44:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-12-07 01:44:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-12-07 01:44:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-12-07 01:44:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-12-07 01:44:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-12-07 01:44:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 01:44:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 01:44:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-12-07 01:44:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-12-07 01:44:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-12-07 01:44:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-12-07 01:44:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-12-07 01:44:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-12-07 01:44:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-07 01:44:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-07 01:44:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:44:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:44:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-12-07 01:44:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-12-07 01:44:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-12-07 01:44:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-12-07 01:44:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-07 01:44:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-07 01:44:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-12-07 01:44:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-12-07 01:44:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-12-07 01:44:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-12-07 01:44:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-12-07 01:44:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-12-07 01:44:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:44:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:44:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3___0 [2021-12-07 01:44:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3___0 [2021-12-07 01:44:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-12-07 01:44:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-12-07 01:44:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-12-07 01:44:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-12-07 01:44:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-07 01:44:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-07 01:44:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 01:44:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 01:44:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-12-07 01:44:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-12-07 01:44:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-12-07 01:44:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-12-07 01:44:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:44:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-12-07 01:44:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-12-07 01:44:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-07 01:44:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-07 01:44:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-12-07 01:44:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-12-07 01:44:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-12-07 01:44:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-12-07 01:44:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-12-07 01:44:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-12-07 01:44:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-12-07 01:44:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-12-07 01:44:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 01:44:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 01:44:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-12-07 01:44:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-12-07 01:44:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-12-07 01:44:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-12-07 01:44:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:44:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-07 01:44:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-07 01:44:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-12-07 01:44:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-12-07 01:44:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-12-07 01:44:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-12-07 01:44:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-12-07 01:44:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-12-07 01:44:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-07 01:44:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-07 01:44:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-12-07 01:44:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-12-07 01:44:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:44:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:44:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:44:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-12-07 01:44:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-12-07 01:44:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 01:44:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 01:44:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-12-07 01:44:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-12-07 01:44:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:44:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:44:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_16 [2021-12-07 01:44:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_16 [2021-12-07 01:44:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_14 [2021-12-07 01:44:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_14 [2021-12-07 01:44:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-12-07 01:44:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-12-07 01:44:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-07 01:44:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-07 01:44:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 01:44:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 01:44:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-12-07 01:44:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-12-07 01:44:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-07 01:44:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-07 01:44:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-12-07 01:44:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-12-07 01:44:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-12-07 01:44:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-12-07 01:44:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-12-07 01:44:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-12-07 01:44:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_18 [2021-12-07 01:44:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_18 [2021-12-07 01:44:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-12-07 01:44:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-12-07 01:44:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-12-07 01:44:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-12-07 01:44:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-12-07 01:44:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-12-07 01:44:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-12-07 01:44:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-12-07 01:44:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-07 01:44:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-07 01:44:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 01:44:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 01:44:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-12-07 01:44:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-12-07 01:44:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-12-07 01:44:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-12-07 01:44:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-12-07 01:44:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-12-07 01:44:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 01:44:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 01:44:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-12-07 01:44:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-12-07 01:44:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-12-07 01:44:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-12-07 01:44:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-12-07 01:44:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-12-07 01:44:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-12-07 01:44:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-12-07 01:44:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-12-07 01:44:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-12-07 01:44:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-12-07 01:44:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-12-07 01:44:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:44:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:44:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-07 01:44:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-07 01:44:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-12-07 01:44:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-12-07 01:44:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-12-07 01:44:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-12-07 01:44:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:44:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:44:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-12-07 01:44:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-12-07 01:44:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure socfpga_dwmac_probe [2021-12-07 01:44:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure socfpga_dwmac_probe [2021-12-07 01:44:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-12-07 01:44:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-12-07 01:44:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-12-07 01:44:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-12-07 01:44:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-12-07 01:44:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-12-07 01:44:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-12-07 01:44:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-12-07 01:44:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-12-07 01:44:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-12-07 01:44:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-12-07 01:44:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-12-07 01:44:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-12-07 01:44:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-12-07 01:44:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 01:44:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 01:44:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-12-07 01:44:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-12-07 01:44:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-07 01:44:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-07 01:44:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 01:44:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 01:44:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_fix_features [2021-12-07 01:44:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_fix_features [2021-12-07 01:44:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-12-07 01:44:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-12-07 01:44:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-12-07 01:44:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-12-07 01:44:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-12-07 01:44:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-12-07 01:44:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-12-07 01:44:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-12-07 01:44:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-07 01:44:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-07 01:44:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:44:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:44:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:44:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_8 [2021-12-07 01:44:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_8 [2021-12-07 01:44:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-12-07 01:44:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-12-07 01:44:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-07 01:44:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-07 01:44:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-07 01:44:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-07 01:44:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 01:44:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 01:44:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-12-07 01:44:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-12-07 01:44:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-07 01:44:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-07 01:44:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-12-07 01:44:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-12-07 01:44:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-12-07 01:44:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-12-07 01:44:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:44:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:44:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-07 01:44:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-07 01:44:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-12-07 01:44:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-12-07 01:44:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-12-07 01:44:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-12-07 01:44:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-12-07 01:44:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-12-07 01:44:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-12-07 01:44:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-12-07 01:44:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-07 01:44:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-07 01:44:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-07 01:44:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-07 01:44:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 01:44:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 01:44:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-12-07 01:44:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-12-07 01:44:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-12-07 01:44:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-12-07 01:44:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-12-07 01:44:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-12-07 01:44:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-07 01:44:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-07 01:44:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:44:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-12-07 01:44:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-12-07 01:44:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-07 01:44:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-07 01:44:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-12-07 01:44:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-12-07 01:44:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-12-07 01:44:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-12-07 01:44:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-12-07 01:44:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-12-07 01:44:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 01:44:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 01:44:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-07 01:44:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-07 01:44:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-12-07 01:44:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-12-07 01:44:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-12-07 01:44:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-12-07 01:44:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-12-07 01:44:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-12-07 01:44:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-12-07 01:44:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-12-07 01:44:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-07 01:44:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-07 01:44:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:44:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:44:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-12-07 01:44:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-12-07 01:44:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-07 01:44:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-07 01:44:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-12-07 01:44:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-12-07 01:44:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-12-07 01:44:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-12-07 01:44:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-07 01:44:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-07 01:44:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-12-07 01:44:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-12-07 01:44:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-12-07 01:44:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-12-07 01:44:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-12-07 01:44:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-12-07 01:44:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 01:44:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 01:44:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-12-07 01:44:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-12-07 01:44:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 01:44:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 01:44:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-12-07 01:44:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-12-07 01:44:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-12-07 01:44:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-12-07 01:44:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-07 01:44:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-07 01:44:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-12-07 01:44:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-12-07 01:44:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-12-07 01:44:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-12-07 01:44:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2021-12-07 01:44:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2021-12-07 01:44:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-12-07 01:44:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-12-07 01:44:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-12-07 01:44:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-12-07 01:44:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-07 01:44:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-07 01:44:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-12-07 01:44:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-12-07 01:44:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:44:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:44:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:44:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:44:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-12-07 01:44:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-12-07 01:44:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 01:44:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 01:44:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-12-07 01:44:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-12-07 01:44:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-12-07 01:44:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-12-07 01:44:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-12-07 01:44:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-12-07 01:44:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:44:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:44:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:44:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-07 01:44:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-07 01:44:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-12-07 01:44:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-12-07 01:44:59,104 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:44:59,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:44:59,258 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:45:23,725 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:45:23,759 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:45:23,759 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 01:45:23,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:45:23 BoogieIcfgContainer [2021-12-07 01:45:23,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:45:23,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:45:23,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:45:23,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:45:23,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:44:49" (1/3) ... [2021-12-07 01:45:23,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4f977c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:45:23, skipping insertion in model container [2021-12-07 01:45:23,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:56" (2/3) ... [2021-12-07 01:45:23,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4f977c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:45:23, skipping insertion in model container [2021-12-07 01:45:23,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:45:23" (3/3) ... [2021-12-07 01:45:23,771 INFO L111 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 [2021-12-07 01:45:23,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:45:23,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:45:23,843 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:45:23,849 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:45:23,850 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:45:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 5989 states, 4158 states have (on average 1.3677248677248677) internal successors, (5687), 4282 states have internal predecessors, (5687), 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) [2021-12-07 01:45:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-07 01:45:24,001 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:45:24,002 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:45:24,002 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:45:24,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:45:24,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1471190724, now seen corresponding path program 1 times [2021-12-07 01:45:24,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:45:24,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652363077] [2021-12-07 01:45:24,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:45:24,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:45:24,629 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:45:24,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818687270] [2021-12-07 01:45:24,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:45:24,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:45:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:45:24,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:45:24,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:45:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:26,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 17579 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:45:26,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:45:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-07 01:45:26,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:45:26,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:45:26,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652363077] [2021-12-07 01:45:26,982 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:45:26,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818687270] [2021-12-07 01:45:26,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818687270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:45:26,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:45:26,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:45:26,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573473092] [2021-12-07 01:45:26,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:45:26,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:45:26,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:45:27,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:45:27,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:45:27,030 INFO L87 Difference]: Start difference. First operand has 5989 states, 4158 states have (on average 1.3677248677248677) internal successors, (5687), 4282 states have internal predecessors, (5687), 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) [2021-12-07 01:45:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:45:28,055 INFO L93 Difference]: Finished difference Result 17749 states and 26598 transitions. [2021-12-07 01:45:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:45:28,057 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 [2021-12-07 01:45:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:45:28,153 INFO L225 Difference]: With dead ends: 17749 [2021-12-07 01:45:28,153 INFO L226 Difference]: Without dead ends: 11677 [2021-12-07 01:45:28,191 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:45:28,194 INFO L933 BasicCegarLoop]: 10548 mSDtfsCounter, 8517 mSDsluCounter, 8668 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8517 SdHoareTripleChecker+Valid, 19216 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:45:28,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8517 Valid, 19216 Invalid, 148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:45:28,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11677 states. [2021-12-07 01:45:28,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11677 to 11658. [2021-12-07 01:45:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11658 states, 8120 states have (on average 1.3583743842364533) internal successors, (11030), 8314 states have internal predecessors, (11030), 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) [2021-12-07 01:45:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11658 states to 11658 states and 17122 transitions. [2021-12-07 01:45:28,790 INFO L78 Accepts]: Start accepts. Automaton has 11658 states and 17122 transitions. Word has length 131 [2021-12-07 01:45:28,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:45:28,791 INFO L470 AbstractCegarLoop]: Abstraction has 11658 states and 17122 transitions. [2021-12-07 01:45:28,792 INFO L471 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) [2021-12-07 01:45:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 11658 states and 17122 transitions. [2021-12-07 01:45:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-07 01:45:28,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:45:28,816 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:45:28,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:45:29,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:45:29,017 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:45:29,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:45:29,018 INFO L85 PathProgramCache]: Analyzing trace with hash -474517760, now seen corresponding path program 1 times [2021-12-07 01:45:29,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:45:29,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953329703] [2021-12-07 01:45:29,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:45:29,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:45:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:45:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:45:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:45:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:45:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 01:45:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:45:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:45:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-07 01:45:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 01:45:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:45:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:45:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 01:45:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:45:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-07 01:45:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-07 01:45:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:45:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-07 01:45:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-07 01:45:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-07 01:45:30,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:45:30,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953329703] [2021-12-07 01:45:30,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953329703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:45:30,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:45:30,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:45:30,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127928280] [2021-12-07 01:45:30,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:45:30,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:45:30,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:45:30,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:45:30,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:45:30,190 INFO L87 Difference]: Start difference. First operand 11658 states and 17122 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) [2021-12-07 01:45:36,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:50,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:52,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:55,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:57,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:00,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:02,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:04,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:10,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:12,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:27,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:29,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:33,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:34,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:36,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:42,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:44,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:46,293 INFO L93 Difference]: Finished difference Result 42872 states and 67732 transitions. [2021-12-07 01:46:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:46:46,294 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 [2021-12-07 01:46:46,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:46,514 INFO L225 Difference]: With dead ends: 42872 [2021-12-07 01:46:46,514 INFO L226 Difference]: Without dead ends: 31233 [2021-12-07 01:46:46,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:46:46,581 INFO L933 BasicCegarLoop]: 8510 mSDtfsCounter, 28971 mSDsluCounter, 14664 mSDsCounter, 0 mSdLazyCounter, 18350 mSolverCounterSat, 23081 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30454 SdHoareTripleChecker+Valid, 23174 SdHoareTripleChecker+Invalid, 41447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 23081 IncrementalHoareTripleChecker+Valid, 18350 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:46,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30454 Valid, 23174 Invalid, 41447 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [23081 Valid, 18350 Invalid, 16 Unknown, 0 Unchecked, 74.6s Time] [2021-12-07 01:46:46,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31233 states. [2021-12-07 01:46:47,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31233 to 24142. [2021-12-07 01:46:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24142 states, 16744 states have (on average 1.3508122312470139) internal successors, (22618), 17188 states have internal predecessors, (22618), 6007 states have call successors, (6007), 1245 states have call predecessors, (6007), 1390 states have return successors, (7037), 5850 states have call predecessors, (7037), 6006 states have call successors, (7037) [2021-12-07 01:46:48,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24142 states to 24142 states and 35662 transitions. [2021-12-07 01:46:48,038 INFO L78 Accepts]: Start accepts. Automaton has 24142 states and 35662 transitions. Word has length 160 [2021-12-07 01:46:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:48,039 INFO L470 AbstractCegarLoop]: Abstraction has 24142 states and 35662 transitions. [2021-12-07 01:46:48,039 INFO L471 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) [2021-12-07 01:46:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 24142 states and 35662 transitions. [2021-12-07 01:46:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-07 01:46:48,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:48,060 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:46:48,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:46:48,060 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash -109524888, now seen corresponding path program 1 times [2021-12-07 01:46:48,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:48,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73832758] [2021-12-07 01:46:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:48,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:46:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:46:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:46:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:46:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 01:46:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:46:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:46:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-07 01:46:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:46:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-07 01:46:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-07 01:46:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 01:46:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-07 01:46:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 01:46:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-07 01:46:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:46:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 01:46:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:46:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 01:46:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-07 01:46:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-12-07 01:46:48,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:48,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73832758] [2021-12-07 01:46:48,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73832758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:48,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:48,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:46:48,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017461360] [2021-12-07 01:46:48,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:48,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:46:48,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:48,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:46:48,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:46:48,942 INFO L87 Difference]: Start difference. First operand 24142 states and 35662 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) [2021-12-07 01:46:54,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:04,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:12,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:15,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:18,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:20,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:25,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:27,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:29,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:48,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:50,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:52,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:48:03,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:48:03,161 INFO L93 Difference]: Finished difference Result 86138 states and 136124 transitions. [2021-12-07 01:48:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:48:03,162 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 [2021-12-07 01:48:03,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:48:03,394 INFO L225 Difference]: With dead ends: 86138 [2021-12-07 01:48:03,394 INFO L226 Difference]: Without dead ends: 62015 [2021-12-07 01:48:03,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:48:03,470 INFO L933 BasicCegarLoop]: 8873 mSDtfsCounter, 20227 mSDsluCounter, 18656 mSDsCounter, 0 mSdLazyCounter, 23314 mSolverCounterSat, 13466 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21720 SdHoareTripleChecker+Valid, 27529 SdHoareTripleChecker+Invalid, 36791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13466 IncrementalHoareTripleChecker+Valid, 23314 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:48:03,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21720 Valid, 27529 Invalid, 36791 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13466 Valid, 23314 Invalid, 11 Unknown, 0 Unchecked, 72.0s Time] [2021-12-07 01:48:03,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62015 states. [2021-12-07 01:48:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62015 to 48020. [2021-12-07 01:48:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48020 states, 33304 states have (on average 1.3509488349747778) internal successors, (44992), 34190 states have internal predecessors, (44992), 11939 states have call successors, (11939), 2489 states have call predecessors, (11939), 2776 states have return successors, (13966), 11624 states have call predecessors, (13966), 11938 states have call successors, (13966) [2021-12-07 01:48:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48020 states to 48020 states and 70897 transitions. [2021-12-07 01:48:05,837 INFO L78 Accepts]: Start accepts. Automaton has 48020 states and 70897 transitions. Word has length 173 [2021-12-07 01:48:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:48:05,838 INFO L470 AbstractCegarLoop]: Abstraction has 48020 states and 70897 transitions. [2021-12-07 01:48:05,838 INFO L471 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) [2021-12-07 01:48:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 48020 states and 70897 transitions. [2021-12-07 01:48:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-07 01:48:05,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:48:05,859 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:48:05,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:48:05,859 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:48:05,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:48:05,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1475609300, now seen corresponding path program 1 times [2021-12-07 01:48:05,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:48:05,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217053521] [2021-12-07 01:48:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:05,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:48:06,353 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:48:06,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839132564] [2021-12-07 01:48:06,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:06,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:06,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:06,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:06,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:48:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:08,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 18501 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:48:08,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:48:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-07 01:48:08,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:48:08,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:48:08,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217053521] [2021-12-07 01:48:08,935 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:48:08,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839132564] [2021-12-07 01:48:08,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839132564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:48:08,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:48:08,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:48:08,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386368931] [2021-12-07 01:48:08,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:48:08,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:48:08,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:48:08,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:48:08,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:48:08,937 INFO L87 Difference]: Start difference. First operand 48020 states and 70897 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-07 01:48:10,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:48:10,208 INFO L93 Difference]: Finished difference Result 96069 states and 143959 transitions. [2021-12-07 01:48:10,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:48:10,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 198 [2021-12-07 01:48:10,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:48:10,495 INFO L225 Difference]: With dead ends: 96069 [2021-12-07 01:48:10,495 INFO L226 Difference]: Without dead ends: 48068 [2021-12-07 01:48:10,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:48:10,668 INFO L933 BasicCegarLoop]: 8611 mSDtfsCounter, 10 mSDsluCounter, 8600 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17211 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 [2021-12-07 01:48:10,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 17211 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:48:10,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48068 states. [2021-12-07 01:48:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48068 to 48028. [2021-12-07 01:48:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48028 states, 33312 states have (on average 1.350864553314121) internal successors, (45000), 34198 states have internal predecessors, (45000), 11939 states have call successors, (11939), 2489 states have call predecessors, (11939), 2776 states have return successors, (13966), 11624 states have call predecessors, (13966), 11938 states have call successors, (13966) [2021-12-07 01:48:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48028 states to 48028 states and 70905 transitions. [2021-12-07 01:48:12,397 INFO L78 Accepts]: Start accepts. Automaton has 48028 states and 70905 transitions. Word has length 198 [2021-12-07 01:48:12,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:48:12,398 INFO L470 AbstractCegarLoop]: Abstraction has 48028 states and 70905 transitions. [2021-12-07 01:48:12,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-07 01:48:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 48028 states and 70905 transitions. [2021-12-07 01:48:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-07 01:48:12,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:48:12,416 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:48:12,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:48:12,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:12,617 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:48:12,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:48:12,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1816759335, now seen corresponding path program 1 times [2021-12-07 01:48:12,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:48:12,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477860818] [2021-12-07 01:48:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:12,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:48:12,932 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:48:12,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558125455] [2021-12-07 01:48:12,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:12,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:12,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:12,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:12,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:48:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:15,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 18526 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:48:15,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:48:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-07 01:48:15,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:48:15,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:48:15,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477860818] [2021-12-07 01:48:15,795 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:48:15,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558125455] [2021-12-07 01:48:15,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558125455] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:48:15,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:48:15,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:48:15,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438404370] [2021-12-07 01:48:15,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:48:15,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:48:15,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:48:15,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:48:15,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:48:15,796 INFO L87 Difference]: Start difference. First operand 48028 states and 70905 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) [2021-12-07 01:48:17,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:48:17,007 INFO L93 Difference]: Finished difference Result 96026 states and 144527 transitions. [2021-12-07 01:48:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:48:17,008 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 [2021-12-07 01:48:17,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:48:17,190 INFO L225 Difference]: With dead ends: 96026 [2021-12-07 01:48:17,190 INFO L226 Difference]: Without dead ends: 48000 [2021-12-07 01:48:17,333 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:48:17,333 INFO L933 BasicCegarLoop]: 8610 mSDtfsCounter, 2 mSDsluCounter, 17204 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25814 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:48:17,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 25814 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:48:17,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48000 states. [2021-12-07 01:48:19,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48000 to 48000. [2021-12-07 01:48:19,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48000 states, 33296 states have (on average 1.3507928880345987) internal successors, (44976), 34182 states have internal predecessors, (44976), 11931 states have call successors, (11931), 2489 states have call predecessors, (11931), 2772 states have return successors, (13904), 11612 states have call predecessors, (13904), 11930 states have call successors, (13904) [2021-12-07 01:48:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48000 states to 48000 states and 70811 transitions. [2021-12-07 01:48:19,312 INFO L78 Accepts]: Start accepts. Automaton has 48000 states and 70811 transitions. Word has length 201 [2021-12-07 01:48:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:48:19,312 INFO L470 AbstractCegarLoop]: Abstraction has 48000 states and 70811 transitions. [2021-12-07 01:48:19,312 INFO L471 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) [2021-12-07 01:48:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 48000 states and 70811 transitions. [2021-12-07 01:48:19,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-07 01:48:19,330 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:48:19,331 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:48:19,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:48:19,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:19,532 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:48:19,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:48:19,534 INFO L85 PathProgramCache]: Analyzing trace with hash -953868652, now seen corresponding path program 1 times [2021-12-07 01:48:19,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:48:19,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133893168] [2021-12-07 01:48:19,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:19,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:48:19,831 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:48:19,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [301286040] [2021-12-07 01:48:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:19,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:19,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:19,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:19,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 01:48:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:22,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 19037 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 01:48:22,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:48:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-07 01:48:23,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:48:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-12-07 01:48:23,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:48:23,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133893168] [2021-12-07 01:48:23,395 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:48:23,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301286040] [2021-12-07 01:48:23,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301286040] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:48:23,395 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:48:23,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-12-07 01:48:23,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338299314] [2021-12-07 01:48:23,396 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:48:23,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:48:23,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:48:23,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:48:23,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:48:23,397 INFO L87 Difference]: Start difference. First operand 48000 states and 70811 transitions. Second operand has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 states have internal predecessors, (161), 2 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-07 01:48:25,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:48:25,133 INFO L93 Difference]: Finished difference Result 96094 states and 144230 transitions. [2021-12-07 01:48:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 01:48:25,134 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 states have internal predecessors, (161), 2 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 254 [2021-12-07 01:48:25,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:48:25,366 INFO L225 Difference]: With dead ends: 96094 [2021-12-07 01:48:25,366 INFO L226 Difference]: Without dead ends: 48112 [2021-12-07 01:48:25,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:48:25,558 INFO L933 BasicCegarLoop]: 8597 mSDtfsCounter, 12 mSDsluCounter, 60085 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 68682 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:48:25,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 68682 Invalid, 244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:48:25,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48112 states. [2021-12-07 01:48:27,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48112 to 48112. [2021-12-07 01:48:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48112 states, 33392 states have (on average 1.3509822712026833) internal successors, (45112), 34278 states have internal predecessors, (45112), 11931 states have call successors, (11931), 2505 states have call predecessors, (11931), 2788 states have return successors, (13904), 11612 states have call predecessors, (13904), 11930 states have call successors, (13904) [2021-12-07 01:48:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48112 states to 48112 states and 70947 transitions. [2021-12-07 01:48:27,505 INFO L78 Accepts]: Start accepts. Automaton has 48112 states and 70947 transitions. Word has length 254 [2021-12-07 01:48:27,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:48:27,505 INFO L470 AbstractCegarLoop]: Abstraction has 48112 states and 70947 transitions. [2021-12-07 01:48:27,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 states have internal predecessors, (161), 2 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-07 01:48:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 48112 states and 70947 transitions. [2021-12-07 01:48:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-07 01:48:27,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:48:27,519 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:48:27,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 01:48:27,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:27,721 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:48:27,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:48:27,723 INFO L85 PathProgramCache]: Analyzing trace with hash 881611250, now seen corresponding path program 1 times [2021-12-07 01:48:27,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:48:27,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552643908] [2021-12-07 01:48:27,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:27,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:48:28,003 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:48:28,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398606735] [2021-12-07 01:48:28,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:28,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:28,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:28,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:28,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 01:48:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:30,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 18653 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-07 01:48:30,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:48:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-07 01:48:31,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:48:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-12-07 01:48:31,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:48:31,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552643908] [2021-12-07 01:48:31,601 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:48:31,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398606735] [2021-12-07 01:48:31,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398606735] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:48:31,601 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:48:31,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-12-07 01:48:31,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145678529] [2021-12-07 01:48:31,602 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:48:31,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:48:31,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:48:31,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:48:31,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:48:31,603 INFO L87 Difference]: Start difference. First operand 48112 states and 70947 transitions. Second operand has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 14 states have internal predecessors, (172), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-07 01:48:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:48:34,784 INFO L93 Difference]: Finished difference Result 96406 states and 144694 transitions. [2021-12-07 01:48:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 01:48:34,785 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 14 states have internal predecessors, (172), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 211 [2021-12-07 01:48:34,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:48:34,965 INFO L225 Difference]: With dead ends: 96406 [2021-12-07 01:48:34,965 INFO L226 Difference]: Without dead ends: 48280 [2021-12-07 01:48:35,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=248, Invalid=508, Unknown=0, NotChecked=0, Total=756 [2021-12-07 01:48:35,125 INFO L933 BasicCegarLoop]: 8600 mSDtfsCounter, 52 mSDsluCounter, 42944 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 51544 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:48:35,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 51544 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-07 01:48:35,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48280 states. [2021-12-07 01:48:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48280 to 48248. [2021-12-07 01:48:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48248 states, 33520 states have (on average 1.3505966587112173) internal successors, (45272), 34406 states have internal predecessors, (45272), 11931 states have call successors, (11931), 2513 states have call predecessors, (11931), 2796 states have return successors, (13904), 11612 states have call predecessors, (13904), 11930 states have call successors, (13904) [2021-12-07 01:48:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48248 states to 48248 states and 71107 transitions. [2021-12-07 01:48:37,110 INFO L78 Accepts]: Start accepts. Automaton has 48248 states and 71107 transitions. Word has length 211 [2021-12-07 01:48:37,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:48:37,110 INFO L470 AbstractCegarLoop]: Abstraction has 48248 states and 71107 transitions. [2021-12-07 01:48:37,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 14 states have internal predecessors, (172), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-07 01:48:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand 48248 states and 71107 transitions. [2021-12-07 01:48:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-07 01:48:37,122 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:48:37,123 INFO L514 BasicCegarLoop]: trace histogram [16, 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] [2021-12-07 01:48:37,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-07 01:48:37,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-07 01:48:37,325 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:48:37,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:48:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1094641010, now seen corresponding path program 2 times [2021-12-07 01:48:37,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:48:37,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192818326] [2021-12-07 01:48:37,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:37,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:48:37,601 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:48:37,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61139937] [2021-12-07 01:48:37,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:48:37,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:37,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:37,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:37,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3760e0-199b-49c9-8c09-f6fbb14b9bf6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process