./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.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_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/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_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/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_3bb23842-2538-4e00-8432-9843ed7d7faf/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 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:09:37,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:09:37,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:09:37,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:09:37,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:09:37,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:09:37,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:09:37,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:09:37,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:09:37,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:09:37,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:09:37,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:09:37,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:09:37,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:09:37,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:09:37,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:09:37,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:09:37,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:09:37,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:09:37,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:09:37,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:09:37,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:09:37,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:09:37,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:09:37,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:09:37,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:09:37,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:09:37,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:09:37,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:09:37,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:09:37,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:09:37,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:09:37,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:09:37,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:09:37,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:09:37,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:09:37,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:09:37,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:09:37,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:09:37,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:09:37,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:09:37,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:09:37,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:09:37,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:09:37,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:09:37,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:09:37,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:09:37,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:09:37,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:09:37,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:09:37,427 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:09:37,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:09:37,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:09:37,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:09:37,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:09:37,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:09:37,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:09:37,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:09:37,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:09:37,430 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_3bb23842-2538-4e00-8432-9843ed7d7faf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e [2021-12-07 00:09:37,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:09:37,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:09:37,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:09:37,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:09:37,623 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:09:37,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2021-12-07 00:09:37,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/data/9bbefceda/8951ee79c19944e2b4497d954993331d/FLAGb880dd5c4 [2021-12-07 00:09:38,489 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:09:38,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2021-12-07 00:09:38,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/data/9bbefceda/8951ee79c19944e2b4497d954993331d/FLAGb880dd5c4 [2021-12-07 00:09:38,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/data/9bbefceda/8951ee79c19944e2b4497d954993331d [2021-12-07 00:09:38,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:09:38,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:09:38,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:09:38,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:09:38,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:09:38,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:38" (1/1) ... [2021-12-07 00:09:38,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6505a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:38, skipping insertion in model container [2021-12-07 00:09:38,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:38" (1/1) ... [2021-12-07 00:09:38,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:09:38,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:09:45,146 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_3bb23842-2538-4e00-8432-9843ed7d7faf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2021-12-07 00:09:45,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:09:45,294 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:09:45,924 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_3bb23842-2538-4e00-8432-9843ed7d7faf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2021-12-07 00:09:45,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:09:46,294 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:09:46,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46 WrapperNode [2021-12-07 00:09:46,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:09:46,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:09:46,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:09:46,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:09:46,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:46,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:46,976 INFO L137 Inliner]: procedures = 715, calls = 14301, calls flagged for inlining = 321, calls inlined = 272, statements flattened = 26101 [2021-12-07 00:09:46,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:09:46,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:09:46,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:09:46,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:09:46,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:46,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:47,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:47,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:47,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:47,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:47,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:47,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:09:47,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:09:47,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:09:47,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:09:47,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (1/1) ... [2021-12-07 00:09:47,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:09:47,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:09:47,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:09:47,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb23842-2538-4e00-8432-9843ed7d7faf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:09:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 00:09:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 00:09:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-12-07 00:09:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-12-07 00:09:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-07 00:09:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-07 00:09:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-12-07 00:09:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-12-07 00:09:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-12-07 00:09:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-12-07 00:09:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-07 00:09:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-07 00:09:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:09:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:09:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_slot_reset [2021-12-07 00:09:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_slot_reset [2021-12-07 00:09:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-12-07 00:09:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-12-07 00:09:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-07 00:09:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-07 00:09:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-07 00:09:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-07 00:09:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-07 00:09:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-07 00:09:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-12-07 00:09:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-12-07 00:09:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-07 00:09:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-07 00:09:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:09:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:09:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-12-07 00:09:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-12-07 00:09:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-12-07 00:09:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-12-07 00:09:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-12-07 00:09:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-12-07 00:09:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-07 00:09:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-07 00:09:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-07 00:09:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-07 00:09:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-07 00:09:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-07 00:09:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-12-07 00:09:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-12-07 00:09:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-12-07 00:09:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-12-07 00:09:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-07 00:09:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-07 00:09:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-12-07 00:09:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-12-07 00:09:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 00:09:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 00:09:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 00:09:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 00:09:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-12-07 00:09:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-12-07 00:09:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-12-07 00:09:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-12-07 00:09:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-07 00:09:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-07 00:09:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-12-07 00:09:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-12-07 00:09:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-12-07 00:09:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-12-07 00:09:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-07 00:09:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-07 00:09:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-12-07 00:09:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-12-07 00:09:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_fix_features [2021-12-07 00:09:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_fix_features [2021-12-07 00:09:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-12-07 00:09:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-12-07 00:09:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 00:09:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 00:09:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 00:09:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 00:09:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 00:09:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 00:09:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 00:09:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 00:09:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 00:09:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 00:09:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-07 00:09:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-07 00:09:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:09:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-07 00:09:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-07 00:09:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-12-07 00:09:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-12-07 00:09:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-12-07 00:09:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-12-07 00:09:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-12-07 00:09:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-12-07 00:09:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-12-07 00:09:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-12-07 00:09:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-07 00:09:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-07 00:09:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 00:09:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 00:09:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-12-07 00:09:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-12-07 00:09:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-12-07 00:09:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-12-07 00:09:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-12-07 00:09:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-12-07 00:09:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-12-07 00:09:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-12-07 00:09:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 00:09:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 00:09:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 00:09:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 00:09:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-12-07 00:09:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-12-07 00:09:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-12-07 00:09:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-12-07 00:09:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:09:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-07 00:09:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-07 00:09:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-12-07 00:09:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-12-07 00:09:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-12-07 00:09:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-12-07 00:09:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-12-07 00:09:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-12-07 00:09:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 00:09:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 00:09:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-12-07 00:09:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-12-07 00:09:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:09:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-12-07 00:09:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-12-07 00:09:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:09:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 00:09:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 00:09:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-07 00:09:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-07 00:09:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-12-07 00:09:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-12-07 00:09:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2021-12-07 00:09:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2021-12-07 00:09:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:09:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:09:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-12-07 00:09:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-12-07 00:09:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-12-07 00:09:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-12-07 00:09:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-12-07 00:09:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-12-07 00:09:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-12-07 00:09:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-12-07 00:09:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 00:09:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 00:09:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-07 00:09:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-07 00:09:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 00:09:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 00:09:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-12-07 00:09:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-12-07 00:09:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-12-07 00:09:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-12-07 00:09:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-07 00:09:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-07 00:09:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:09:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:09:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-07 00:09:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-07 00:09:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-12-07 00:09:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-12-07 00:09:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_stats [2021-12-07 00:09:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_stats [2021-12-07 00:09:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-07 00:09:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-07 00:09:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-12-07 00:09:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-12-07 00:09:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-12-07 00:09:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-12-07 00:09:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 00:09:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 00:09:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_frag_len [2021-12-07 00:09:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_frag_len [2021-12-07 00:09:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:09:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-07 00:09:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-12-07 00:09:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-12-07 00:09:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 00:09:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 00:09:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:09:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 00:09:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 00:09:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:09:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:09:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-12-07 00:09:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-12-07 00:09:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:09:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 00:09:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-07 00:09:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-07 00:09:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_change_mtu [2021-12-07 00:09:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_change_mtu [2021-12-07 00:09:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-12-07 00:09:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-12-07 00:09:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-07 00:09:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-07 00:09:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-12-07 00:09:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-12-07 00:09:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-12-07 00:09:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-12-07 00:09:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 00:09:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 00:09:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-12-07 00:09:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-12-07 00:09:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-12-07 00:09:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-12-07 00:09:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-12-07 00:09:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-12-07 00:09:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 00:09:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 00:09:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 00:09:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 00:09:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 00:09:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 00:09:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-12-07 00:09:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-12-07 00:09:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-07 00:09:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-07 00:09:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-12-07 00:09:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-12-07 00:09:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-12-07 00:09:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-12-07 00:09:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-12-07 00:09:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-12-07 00:09:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-07 00:09:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-07 00:09:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-07 00:09:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-07 00:09:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-07 00:09:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-07 00:09:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-12-07 00:09:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-12-07 00:09:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-07 00:09:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-07 00:09:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-12-07 00:09:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-12-07 00:09:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 00:09:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 00:09:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 00:09:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 00:09:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-12-07 00:09:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-12-07 00:09:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-12-07 00:09:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-12-07 00:09:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-12-07 00:09:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-12-07 00:09:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-07 00:09:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-07 00:09:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:09:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:09:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-12-07 00:09:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-12-07 00:09:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-07 00:09:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-07 00:09:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-07 00:09:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-07 00:09:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-12-07 00:09:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-12-07 00:09:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-12-07 00:09:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-12-07 00:09:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 00:09:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 00:09:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-12-07 00:09:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-12-07 00:09:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:09:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:09:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:09:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:09:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-07 00:09:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-07 00:09:47,789 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 00:09:47,789 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 00:09:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_phy_info_task [2021-12-07 00:09:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_phy_info_task [2021-12-07 00:09:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2021-12-07 00:09:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2021-12-07 00:09:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-07 00:09:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-07 00:09:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-12-07 00:09:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-12-07 00:09:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 00:09:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 00:09:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-07 00:09:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 00:09:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 00:09:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 00:09:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 00:09:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-07 00:09:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-07 00:09:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_alloc_frag [2021-12-07 00:09:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_alloc_frag [2021-12-07 00:09:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-07 00:09:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-07 00:09:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 00:09:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 00:09:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-12-07 00:09:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-12-07 00:09:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 00:09:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 00:09:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:09:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:09:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-07 00:09:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-07 00:09:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-07 00:09:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-07 00:09:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-12-07 00:09:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-12-07 00:09:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 00:09:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 00:09:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-12-07 00:09:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-12-07 00:09:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-12-07 00:09:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-12-07 00:09:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-07 00:09:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-07 00:09:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-12-07 00:09:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-12-07 00:09:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 00:09:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 00:09:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-12-07 00:09:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-12-07 00:09:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-12-07 00:09:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-12-07 00:09:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 00:09:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 00:09:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 00:09:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 00:09:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-07 00:09:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-07 00:09:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:09:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 00:09:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 00:09:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-07 00:09:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-07 00:09:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 00:09:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 00:09:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-12-07 00:09:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-12-07 00:09:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:09:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-07 00:09:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-07 00:09:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_task [2021-12-07 00:09:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_task [2021-12-07 00:09:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-07 00:09:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-07 00:09:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_features [2021-12-07 00:09:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_features [2021-12-07 00:09:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-07 00:09:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-07 00:09:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-07 00:09:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-07 00:09:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-12-07 00:09:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-12-07 00:09:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-12-07 00:09:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-12-07 00:09:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-12-07 00:09:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-12-07 00:09:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:09:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2021-12-07 00:09:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2021-12-07 00:09:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_watchdog [2021-12-07 00:09:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_watchdog [2021-12-07 00:09:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-12-07 00:09:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-12-07 00:09:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-12-07 00:09:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-12-07 00:09:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-12-07 00:09:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-12-07 00:09:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-07 00:09:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-07 00:09:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 00:09:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 00:09:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-12-07 00:09:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-12-07 00:09:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-12-07 00:09:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-12-07 00:09:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 00:09:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 00:09:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 00:09:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 00:09:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-12-07 00:09:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-12-07 00:09:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-12-07 00:09:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-12-07 00:09:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 00:09:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 00:09:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-12-07 00:09:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-12-07 00:09:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-12-07 00:09:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-12-07 00:09:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-12-07 00:09:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-12-07 00:09:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-12-07 00:09:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-12-07 00:09:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_45 [2021-12-07 00:09:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_45 [2021-12-07 00:09:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-12-07 00:09:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-12-07 00:09:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-12-07 00:09:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-12-07 00:09:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-12-07 00:09:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-12-07 00:09:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 00:09:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 00:09:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-07 00:09:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-07 00:09:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 00:09:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 00:09:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-12-07 00:09:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-12-07 00:09:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-07 00:09:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-07 00:09:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-12-07 00:09:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-12-07 00:09:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-12-07 00:09:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-12-07 00:09:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-12-07 00:09:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-12-07 00:09:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-07 00:09:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-07 00:09:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 00:09:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 00:09:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-12-07 00:09:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-12-07 00:09:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-07 00:09:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-07 00:09:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-07 00:09:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-07 00:09:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:09:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:09:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-12-07 00:09:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-12-07 00:09:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-12-07 00:09:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-12-07 00:09:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:09:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_82547_tx_fifo_stall_task [2021-12-07 00:09:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_82547_tx_fifo_stall_task [2021-12-07 00:09:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs___0 [2021-12-07 00:09:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs___0 [2021-12-07 00:09:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-12-07 00:09:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-12-07 00:09:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-12-07 00:09:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-12-07 00:09:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:09:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:09:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-12-07 00:09:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-12-07 00:09:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-07 00:09:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-07 00:09:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-12-07 00:09:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-12-07 00:09:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 00:09:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 00:09:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-12-07 00:09:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-12-07 00:09:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 00:09:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 00:09:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 00:09:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 00:09:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-07 00:09:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-07 00:09:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-07 00:09:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-07 00:09:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-12-07 00:09:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-12-07 00:09:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_error_detected [2021-12-07 00:09:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_error_detected [2021-12-07 00:09:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-07 00:09:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-07 00:09:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-12-07 00:09:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-12-07 00:09:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-12-07 00:09:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-12-07 00:09:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-12-07 00:09:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-12-07 00:09:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-07 00:09:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-07 00:09:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-07 00:09:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-07 00:09:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2021-12-07 00:09:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2021-12-07 00:09:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-07 00:09:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-07 00:09:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-12-07 00:09:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-12-07 00:09:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-12-07 00:09:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-12-07 00:09:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-12-07 00:09:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-12-07 00:09:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-12-07 00:09:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-12-07 00:09:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-07 00:09:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-07 00:09:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:09:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:09:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-07 00:09:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-07 00:09:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-12-07 00:09:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-12-07 00:09:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-07 00:09:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-07 00:09:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-07 00:09:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-07 00:09:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-12-07 00:09:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-12-07 00:09:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 00:09:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 00:09:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 00:09:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 00:09:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_ioctl [2021-12-07 00:09:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_ioctl [2021-12-07 00:09:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 00:09:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 00:09:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_mac [2021-12-07 00:09:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_mac [2021-12-07 00:09:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:09:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-07 00:09:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-07 00:09:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-12-07 00:09:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-12-07 00:09:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-07 00:09:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_frag [2021-12-07 00:09:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_frag [2021-12-07 00:09:48,813 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:09:48,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:09:49,568 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:10:40,014 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:10:40,047 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:10:40,048 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-07 00:10:40,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:10:40 BoogieIcfgContainer [2021-12-07 00:10:40,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:10:40,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:10:40,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:10:40,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:10:40,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:09:38" (1/3) ... [2021-12-07 00:10:40,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ccdd7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:10:40, skipping insertion in model container [2021-12-07 00:10:40,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:46" (2/3) ... [2021-12-07 00:10:40,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ccdd7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:10:40, skipping insertion in model container [2021-12-07 00:10:40,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:10:40" (3/3) ... [2021-12-07 00:10:40,060 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2021-12-07 00:10:40,064 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:10:40,064 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:10:40,134 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:10:40,138 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 00:10:40,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:10:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 8218 states, 5865 states have (on average 1.381926683716965) internal successors, (8105), 5963 states have internal predecessors, (8105), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) [2021-12-07 00:10:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-07 00:10:40,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:10:40,268 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:10:40,268 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:10:40,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:10:40,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1754235194, now seen corresponding path program 1 times [2021-12-07 00:10:40,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:10:40,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322247602] [2021-12-07 00:10:40,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:10:40,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:10:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:10:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:10:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:10:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:10:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:10:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:10:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:10:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:10:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:10:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:10:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:10:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 00:10:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:10:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 00:10:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:10:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-12-07 00:10:41,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:10:41,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322247602] [2021-12-07 00:10:41,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322247602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:10:41,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:10:41,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:10:41,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007147727] [2021-12-07 00:10:41,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:10:41,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:10:41,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:10:41,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:10:41,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:10:41,787 INFO L87 Difference]: Start difference. First operand has 8218 states, 5865 states have (on average 1.381926683716965) internal successors, (8105), 5963 states have internal predecessors, (8105), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:10:56,878 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 00:11:06,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:08,274 WARN L534 Checker$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 00:11:10,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:12,404 WARN L534 Checker$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 00:11:14,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:16,533 WARN L534 Checker$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 00:11:18,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:20,630 WARN L534 Checker$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 00:11:22,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:24,736 WARN L534 Checker$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 00:11:26,810 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 00:11:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:11:30,259 INFO L93 Difference]: Finished difference Result 17614 states and 26965 transitions. [2021-12-07 00:11:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:11:30,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 207 [2021-12-07 00:11:30,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:11:30,353 INFO L225 Difference]: With dead ends: 17614 [2021-12-07 00:11:30,353 INFO L226 Difference]: Without dead ends: 9366 [2021-12-07 00:11:30,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:11:30,412 INFO L933 BasicCegarLoop]: 11773 mSDtfsCounter, 6770 mSDsluCounter, 5876 mSDsCounter, 0 mSdLazyCounter, 5078 mSolverCounterSat, 8550 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6896 SdHoareTripleChecker+Valid, 17649 SdHoareTripleChecker+Invalid, 13640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8550 IncrementalHoareTripleChecker+Valid, 5078 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:11:30,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6896 Valid, 17649 Invalid, 13640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8550 Valid, 5078 Invalid, 12 Unknown, 0 Unchecked, 47.6s Time] [2021-12-07 00:11:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9366 states. [2021-12-07 00:11:30,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9366 to 8177. [2021-12-07 00:11:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8177 states, 5836 states have (on average 1.3785126799177518) internal successors, (8045), 5920 states have internal predecessors, (8045), 2087 states have call successors, (2087), 254 states have call predecessors, (2087), 253 states have return successors, (2085), 2079 states have call predecessors, (2085), 2085 states have call successors, (2085) [2021-12-07 00:11:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8177 states to 8177 states and 12217 transitions. [2021-12-07 00:11:30,972 INFO L78 Accepts]: Start accepts. Automaton has 8177 states and 12217 transitions. Word has length 207 [2021-12-07 00:11:30,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:11:30,972 INFO L470 AbstractCegarLoop]: Abstraction has 8177 states and 12217 transitions. [2021-12-07 00:11:30,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:11:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 8177 states and 12217 transitions. [2021-12-07 00:11:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-07 00:11:30,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:11:30,978 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:11:30,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:11:30,978 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:11:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:11:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1964889208, now seen corresponding path program 1 times [2021-12-07 00:11:30,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:11:30,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649215812] [2021-12-07 00:11:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:11:30,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:11:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:11:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:11:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:11:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:11:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:11:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:11:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:11:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:11:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:11:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:11:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:11:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 00:11:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:11:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 00:11:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 00:11:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-12-07 00:11:31,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:11:31,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649215812] [2021-12-07 00:11:31,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649215812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:11:31,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:11:31,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:11:31,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942575007] [2021-12-07 00:11:31,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:11:31,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:11:31,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:11:31,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:11:31,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:11:31,906 INFO L87 Difference]: Start difference. First operand 8177 states and 12217 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:11:34,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:57,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:59,794 WARN L534 Checker$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 00:12:01,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:03,912 WARN L534 Checker$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 00:12:05,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:08,024 WARN L534 Checker$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 00:12:10,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:12,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:14,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:16,185 WARN L534 Checker$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 00:12:18,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:20,306 WARN L534 Checker$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 00:12:22,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:24,953 WARN L534 Checker$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 00:12:27,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:29,103 WARN L534 Checker$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 00:12:31,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:33,157 WARN L534 Checker$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 00:12:35,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:37,275 WARN L534 Checker$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 00:12:39,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:56,993 WARN L534 Checker$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 00:12:58,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:24,460 WARN L534 Checker$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 00:13:26,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:28,585 WARN L534 Checker$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 00:13:30,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:33,247 WARN L534 Checker$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 00:13:35,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:37,349 WARN L534 Checker$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 00:13:39,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:41,453 WARN L534 Checker$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 00:13:43,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:45,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:47,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:49,659 WARN L534 Checker$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 00:13:51,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:53,721 WARN L534 Checker$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 00:13:55,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:57,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:03,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:05,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:07,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:10,513 WARN L534 Checker$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 00:14:15,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:17,612 WARN L534 Checker$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 00:14:18,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:14:18,996 INFO L93 Difference]: Finished difference Result 25852 states and 39531 transitions. [2021-12-07 00:14:18,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 00:14:18,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 206 [2021-12-07 00:14:18,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:14:19,180 INFO L225 Difference]: With dead ends: 25852 [2021-12-07 00:14:19,180 INFO L226 Difference]: Without dead ends: 17710 [2021-12-07 00:14:19,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:14:19,216 INFO L933 BasicCegarLoop]: 13449 mSDtfsCounter, 19358 mSDsluCounter, 21858 mSDsCounter, 0 mSdLazyCounter, 14759 mSolverCounterSat, 12328 mSolverCounterUnsat, 44 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 154.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20704 SdHoareTripleChecker+Valid, 35307 SdHoareTripleChecker+Invalid, 27131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 12328 IncrementalHoareTripleChecker+Valid, 14759 IncrementalHoareTripleChecker+Invalid, 44 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:14:19,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20704 Valid, 35307 Invalid, 27131 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [12328 Valid, 14759 Invalid, 44 Unknown, 0 Unchecked, 165.6s Time] [2021-12-07 00:14:19,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17710 states. [2021-12-07 00:14:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17710 to 15410. [2021-12-07 00:14:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15410 states, 11006 states have (on average 1.3797019807377795) internal successors, (15185), 11162 states have internal predecessors, (15185), 3925 states have call successors, (3925), 480 states have call predecessors, (3925), 478 states have return successors, (3923), 3909 states have call predecessors, (3923), 3923 states have call successors, (3923) [2021-12-07 00:14:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15410 states to 15410 states and 23033 transitions. [2021-12-07 00:14:20,041 INFO L78 Accepts]: Start accepts. Automaton has 15410 states and 23033 transitions. Word has length 206 [2021-12-07 00:14:20,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:14:20,042 INFO L470 AbstractCegarLoop]: Abstraction has 15410 states and 23033 transitions. [2021-12-07 00:14:20,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:14:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 15410 states and 23033 transitions. [2021-12-07 00:14:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-12-07 00:14:20,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:14:20,052 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:14:20,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:14:20,052 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:14:20,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:14:20,052 INFO L85 PathProgramCache]: Analyzing trace with hash 253932804, now seen corresponding path program 1 times [2021-12-07 00:14:20,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:14:20,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680369714] [2021-12-07 00:14:20,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:14:20,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:14:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:14:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:14:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:14:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:14:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:14:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:14:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:14:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:14:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:14:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:14:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:14:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 00:14:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:14:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 00:14:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:14:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:14:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 00:14:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-07 00:14:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-07 00:14:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-12-07 00:14:21,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:14:21,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680369714] [2021-12-07 00:14:21,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680369714] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:14:21,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:14:21,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:14:21,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302985939] [2021-12-07 00:14:21,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:14:21,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:14:21,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:14:21,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:14:21,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:14:21,248 INFO L87 Difference]: Start difference. First operand 15410 states and 23033 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-07 00:14:53,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:55,273 WARN L534 Checker$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 00:14:57,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:59,411 WARN L534 Checker$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 00:15:01,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:03,532 WARN L534 Checker$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 00:15:05,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:07,657 WARN L534 Checker$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 00:15:09,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:10,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:12,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:14,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:17,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:19,195 WARN L534 Checker$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 00:15:21,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:23,367 WARN L534 Checker$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 00:15:25,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:27,440 WARN L534 Checker$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 00:15:29,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:31,583 WARN L534 Checker$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 00:15:33,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:58,409 WARN L534 Checker$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 00:15:59,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:23,786 WARN L534 Checker$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 00:16:26,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:28,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:30,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:34,813 WARN L534 Checker$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 00:16:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:16:36,103 INFO L93 Difference]: Finished difference Result 50508 states and 77271 transitions. [2021-12-07 00:16:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 00:16:36,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 242 [2021-12-07 00:16:36,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:16:36,312 INFO L225 Difference]: With dead ends: 50508 [2021-12-07 00:16:36,312 INFO L226 Difference]: Without dead ends: 35133 [2021-12-07 00:16:36,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:16:36,395 INFO L933 BasicCegarLoop]: 13598 mSDtfsCounter, 19161 mSDsluCounter, 22297 mSDsCounter, 0 mSdLazyCounter, 15061 mSolverCounterSat, 12369 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20662 SdHoareTripleChecker+Valid, 35895 SdHoareTripleChecker+Invalid, 27456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12369 IncrementalHoareTripleChecker+Valid, 15061 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:16:36,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20662 Valid, 35895 Invalid, 27456 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12369 Valid, 15061 Invalid, 26 Unknown, 0 Unchecked, 132.8s Time] [2021-12-07 00:16:36,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35133 states. [2021-12-07 00:16:37,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35133 to 30565. [2021-12-07 00:16:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30565 states, 21854 states have (on average 1.3802507550105243) internal successors, (30164), 22161 states have internal predecessors, (30164), 7760 states have call successors, (7760), 953 states have call predecessors, (7760), 950 states have return successors, (7758), 7730 states have call predecessors, (7758), 7758 states have call successors, (7758) [2021-12-07 00:16:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30565 states to 30565 states and 45682 transitions. [2021-12-07 00:16:38,160 INFO L78 Accepts]: Start accepts. Automaton has 30565 states and 45682 transitions. Word has length 242 [2021-12-07 00:16:38,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:16:38,161 INFO L470 AbstractCegarLoop]: Abstraction has 30565 states and 45682 transitions. [2021-12-07 00:16:38,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-07 00:16:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30565 states and 45682 transitions. [2021-12-07 00:16:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-07 00:16:38,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:16:38,171 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:16:38,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:16:38,172 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:16:38,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:16:38,172 INFO L85 PathProgramCache]: Analyzing trace with hash -48126806, now seen corresponding path program 1 times [2021-12-07 00:16:38,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:16:38,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721342934] [2021-12-07 00:16:38,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:16:38,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:16:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:16:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:16:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:16:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:16:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:16:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:16:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:16:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:16:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:16:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:16:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:16:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 00:16:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:16:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 00:16:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 00:16:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-07 00:16:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-07 00:16:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:16:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-07 00:16:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-07 00:16:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-07 00:16:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:16:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:16:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-12-07 00:16:39,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:16:39,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721342934] [2021-12-07 00:16:39,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721342934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:16:39,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:16:39,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:16:39,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814093032] [2021-12-07 00:16:39,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:16:39,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:16:39,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:16:39,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:16:39,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:16:39,115 INFO L87 Difference]: Start difference. First operand 30565 states and 45682 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 00:17:18,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:20,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:22,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:24,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:26,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:28,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:30,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:32,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:34,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:36,886 WARN L534 Checker$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 00:17:38,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:41,028 WARN L534 Checker$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 00:17:43,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:45,166 WARN L534 Checker$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 00:17:47,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:49,350 WARN L534 Checker$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 00:17:51,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:53,406 WARN L534 Checker$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 00:17:55,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:57,559 WARN L534 Checker$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 00:17:59,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:18:25,494 WARN L534 Checker$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 00:18:27,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:18:36,914 WARN L534 Checker$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 00:18:38,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:18:54,739 WARN L534 Checker$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 00:18:57,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:19:00,226 WARN L534 Checker$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 00:19:02,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:19:04,734 WARN L534 Checker$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 00:19:06,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:19:09,198 WARN L534 Checker$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 00:19:11,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:19:13,950 WARN L534 Checker$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 00:19:17,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:19:18,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:19:18,333 INFO L93 Difference]: Finished difference Result 96435 states and 147488 transitions. [2021-12-07 00:19:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 00:19:18,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 271 [2021-12-07 00:19:18,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:19:18,651 INFO L225 Difference]: With dead ends: 96435 [2021-12-07 00:19:18,652 INFO L226 Difference]: Without dead ends: 65905 [2021-12-07 00:19:18,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:19:18,766 INFO L933 BasicCegarLoop]: 17426 mSDtfsCounter, 16599 mSDsluCounter, 25495 mSDsCounter, 0 mSdLazyCounter, 16574 mSolverCounterSat, 10419 mSolverCounterUnsat, 35 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18006 SdHoareTripleChecker+Valid, 42921 SdHoareTripleChecker+Invalid, 27028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10419 IncrementalHoareTripleChecker+Valid, 16574 IncrementalHoareTripleChecker+Invalid, 35 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 156.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:19:18,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18006 Valid, 42921 Invalid, 27028 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10419 Valid, 16574 Invalid, 35 Unknown, 0 Unchecked, 156.3s Time] [2021-12-07 00:19:18,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65905 states. [2021-12-07 00:19:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65905 to 57131. [2021-12-07 00:19:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57131 states, 40612 states have (on average 1.3773761449817787) internal successors, (55938), 41181 states have internal predecessors, (55938), 14724 states have call successors, (14724), 1797 states have call predecessors, (14724), 1794 states have return successors, (14722), 14680 states have call predecessors, (14722), 14722 states have call successors, (14722) [2021-12-07 00:19:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57131 states to 57131 states and 85384 transitions. [2021-12-07 00:19:21,940 INFO L78 Accepts]: Start accepts. Automaton has 57131 states and 85384 transitions. Word has length 271 [2021-12-07 00:19:21,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:19:21,941 INFO L470 AbstractCegarLoop]: Abstraction has 57131 states and 85384 transitions. [2021-12-07 00:19:21,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 00:19:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 57131 states and 85384 transitions. [2021-12-07 00:19:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-07 00:19:21,962 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:19:21,962 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:19:21,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:19:21,962 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:19:21,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:19:21,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1083185038, now seen corresponding path program 1 times [2021-12-07 00:19:21,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:19:21,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097671359] [2021-12-07 00:19:21,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:19:21,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:19:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:19:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:19:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:19:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:19:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:19:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:19:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:19:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:19:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:19:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:19:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:19:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:19:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:19:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:19:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:19:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 00:19:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:19:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 00:19:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 00:19:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:19:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-07 00:19:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-07 00:19:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-07 00:19:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-07 00:19:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-07 00:19:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-07 00:19:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-07 00:19:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:19:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:19:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:19:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-12-07 00:19:22,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:19:22,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097671359] [2021-12-07 00:19:22,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097671359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:19:22,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:19:22,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:19:22,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771802951] [2021-12-07 00:19:22,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:19:22,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:19:22,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:19:22,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:19:22,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:19:22,992 INFO L87 Difference]: Start difference. First operand 57131 states and 85384 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 00:19:49,011 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 00:19:51,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:19:53,805 WARN L534 Checker$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 00:19:55,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:19:57,961 WARN L534 Checker$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 00:20:00,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:20:02,101 WARN L534 Checker$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 00:20:04,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:20:06,253 WARN L534 Checker$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 00:20:08,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:20:14,566 WARN L534 Checker$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 00:20:23,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:20:26,401 WARN L534 Checker$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 00:20:28,762 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 00:20:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:20:29,775 INFO L93 Difference]: Finished difference Result 122993 states and 187179 transitions. [2021-12-07 00:20:29,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:20:29,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 308 [2021-12-07 00:20:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:20:30,165 INFO L225 Difference]: With dead ends: 122993 [2021-12-07 00:20:30,166 INFO L226 Difference]: Without dead ends: 65897 [2021-12-07 00:20:30,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:20:30,359 INFO L933 BasicCegarLoop]: 11667 mSDtfsCounter, 17736 mSDsluCounter, 5862 mSDsCounter, 0 mSdLazyCounter, 5158 mSolverCounterSat, 10025 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19124 SdHoareTripleChecker+Valid, 17529 SdHoareTripleChecker+Invalid, 15197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10025 IncrementalHoareTripleChecker+Valid, 5158 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:20:30,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19124 Valid, 17529 Invalid, 15197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10025 Valid, 5158 Invalid, 14 Unknown, 0 Unchecked, 64.0s Time] [2021-12-07 00:20:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65897 states. [2021-12-07 00:20:33,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65897 to 57113. [2021-12-07 00:20:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57113 states, 40594 states have (on average 1.3773464058727891) internal successors, (55912), 41165 states have internal predecessors, (55912), 14724 states have call successors, (14724), 1797 states have call predecessors, (14724), 1794 states have return successors, (14722), 14678 states have call predecessors, (14722), 14722 states have call successors, (14722) [2021-12-07 00:20:33,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57113 states to 57113 states and 85358 transitions. [2021-12-07 00:20:33,486 INFO L78 Accepts]: Start accepts. Automaton has 57113 states and 85358 transitions. Word has length 308 [2021-12-07 00:20:33,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:20:33,487 INFO L470 AbstractCegarLoop]: Abstraction has 57113 states and 85358 transitions. [2021-12-07 00:20:33,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 00:20:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 57113 states and 85358 transitions. [2021-12-07 00:20:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-12-07 00:20:33,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:20:33,508 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:20:33,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:20:33,508 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:20:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:20:33,508 INFO L85 PathProgramCache]: Analyzing trace with hash 785817591, now seen corresponding path program 1 times [2021-12-07 00:20:33,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:20:33,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204547221] [2021-12-07 00:20:33,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:20:33,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:20:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:20:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:20:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:20:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:20:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:20:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:20:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:20:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:20:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:20:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:20:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:20:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 00:20:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:20:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 00:20:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:20:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-07 00:20:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 00:20:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:20:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 00:20:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:20:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 00:20:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-07 00:20:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-07 00:20:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-07 00:20:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:20:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:20:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-07 00:20:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:20:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-07 00:20:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-07 00:20:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:20:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-07 00:20:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:20:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2289 trivial. 0 not checked. [2021-12-07 00:20:34,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:20:34,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204547221] [2021-12-07 00:20:34,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204547221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:20:34,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:20:34,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:20:34,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520407573] [2021-12-07 00:20:34,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:20:34,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:20:34,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:20:34,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:20:34,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:20:34,606 INFO L87 Difference]: Start difference. First operand 57113 states and 85358 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-07 00:20:39,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:29,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:32,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:34,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:36,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:38,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:40,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:42,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:44,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:46,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:48,651 WARN L534 Checker$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 00:21:50,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:52,792 WARN L534 Checker$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 00:21:54,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:57,801 WARN L534 Checker$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 00:21:59,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:02,006 WARN L534 Checker$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 00:22:04,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:06,084 WARN L534 Checker$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 00:22:08,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:10,241 WARN L534 Checker$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 00:22:12,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:16,592 WARN L534 Checker$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 00:22:19,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:21,684 WARN L534 Checker$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 00:22:23,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:25,859 WARN L534 Checker$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 00:22:27,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:30,008 WARN L534 Checker$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 00:22:32,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:34,173 WARN L534 Checker$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 00:22:36,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:49,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:51,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:59,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []