./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/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_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y --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 0.2.1-dev-63182f1 [2021-11-13 18:01:28,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:01:28,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:01:29,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:01:29,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:01:29,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:01:29,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:01:29,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:01:29,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:01:29,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:01:29,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:01:29,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:01:29,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:01:29,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:01:29,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:01:29,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:01:29,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:01:29,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:01:29,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:01:29,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:01:29,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:01:29,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:01:29,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:01:29,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:01:29,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:01:29,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:01:29,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:01:29,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:01:29,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:01:29,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:01:29,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:01:29,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:01:29,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:01:29,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:01:29,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:01:29,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:01:29,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:01:29,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:01:29,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:01:29,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:01:29,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:01:29,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:01:29,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:01:29,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:01:29,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:01:29,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:01:29,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:01:29,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:01:29,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:01:29,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:01:29,178 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:01:29,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:01:29,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:01:29,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:01:29,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:01:29,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:01:29,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:01:29,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:01:29,181 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:01:29,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:01:29,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:01:29,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:01:29,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:01:29,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:01:29,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:01:29,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:01:29,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:01:29,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:01:29,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:01:29,183 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:01:29,183 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:01:29,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:01:29,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:01:29,185 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_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e [2021-11-13 18:01:29,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:01:29,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:01:29,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:01:29,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:01:29,528 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:01:29,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/../../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 [2021-11-13 18:01:29,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/data/8d6bb3c14/60b1f87f3b0747a49b276ec053c9a844/FLAG438fa53f3 [2021-11-13 18:01:30,804 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:01:30,805 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/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 [2021-11-13 18:01:30,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/data/8d6bb3c14/60b1f87f3b0747a49b276ec053c9a844/FLAG438fa53f3 [2021-11-13 18:01:31,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/data/8d6bb3c14/60b1f87f3b0747a49b276ec053c9a844 [2021-11-13 18:01:31,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:01:31,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:01:31,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:01:31,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:01:31,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:01:31,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:01:31" (1/1) ... [2021-11-13 18:01:31,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b2a840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:31, skipping insertion in model container [2021-11-13 18:01:31,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:01:31" (1/1) ... [2021-11-13 18:01:31,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:01:31,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:01:39,904 WARN L228 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_f201de23-a915-4e39-bd5d-14ef033650f0/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] [2021-11-13 18:01:40,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:01:40,136 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:01:41,498 WARN L228 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_f201de23-a915-4e39-bd5d-14ef033650f0/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] [2021-11-13 18:01:41,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:01:42,133 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:01:42,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42 WrapperNode [2021-11-13 18:01:42,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:01:42,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:01:42,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:01:42,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:01:42,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:42,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:43,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:01:43,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:01:43,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:01:43,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:01:43,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:43,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:43,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:43,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:44,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:44,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:45,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:45,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:01:45,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:01:45,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:01:45,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:01:45,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (1/1) ... [2021-11-13 18:01:45,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:01:45,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:01:45,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:01:45,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201de23-a915-4e39-bd5d-14ef033650f0/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:01:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 18:01:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 18:01:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-11-13 18:01:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-11-13 18:01:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-13 18:01:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-13 18:01:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-11-13 18:01:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-11-13 18:01:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-11-13 18:01:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-11-13 18:01:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-13 18:01:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-13 18:01:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:01:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_slot_reset [2021-11-13 18:01:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_slot_reset [2021-11-13 18:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-11-13 18:01:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-11-13 18:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-13 18:01:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-13 18:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 18:01:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 18:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-13 18:01:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-13 18:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-11-13 18:01:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-11-13 18:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-13 18:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-13 18:01:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:01:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-11-13 18:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-11-13 18:01:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-11-13 18:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-11-13 18:01:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-11-13 18:01:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-11-13 18:01:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 18:01:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 18:01:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-13 18:01:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-13 18:01:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-13 18:01:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-13 18:01:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-11-13 18:01:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-11-13 18:01:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-11-13 18:01:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-11-13 18:01:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-13 18:01:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-13 18:01:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-11-13 18:01:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-11-13 18:01:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:01:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:01:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:01:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:01:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-11-13 18:01:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-11-13 18:01:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-11-13 18:01:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-11-13 18:01:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-13 18:01:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-13 18:01:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-11-13 18:01:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-11-13 18:01:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-11-13 18:01:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-11-13 18:01:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-13 18:01:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-13 18:01:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-11-13 18:01:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-11-13 18:01:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_fix_features [2021-11-13 18:01:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_fix_features [2021-11-13 18:01:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-13 18:01:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-13 18:01:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 18:01:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 18:01:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 18:01:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 18:01:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 18:01:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 18:01:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 18:01:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 18:01:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 18:01:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 18:01:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-13 18:01:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-13 18:01:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:01:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 18:01:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 18:01:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-11-13 18:01:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-11-13 18:01:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-11-13 18:01:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-11-13 18:01:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-11-13 18:01:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-11-13 18:01:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-11-13 18:01:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-11-13 18:01:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-13 18:01:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-13 18:01:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 18:01:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 18:01:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-11-13 18:01:45,576 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-11-13 18:01:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-11-13 18:01:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-11-13 18:01:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-11-13 18:01:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-11-13 18:01:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-11-13 18:01:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-11-13 18:01:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 18:01:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 18:01:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:01:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:01:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-11-13 18:01:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-11-13 18:01:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-11-13 18:01:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-11-13 18:01:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:01:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-13 18:01:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-13 18:01:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-11-13 18:01:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-11-13 18:01:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-11-13 18:01:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-11-13 18:01:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-11-13 18:01:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-11-13 18:01:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:01:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:01:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-11-13 18:01:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-11-13 18:01:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:01:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-11-13 18:01:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-11-13 18:01:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:01:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:01:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:01:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-13 18:01:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-13 18:01:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-11-13 18:01:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-11-13 18:01:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2021-11-13 18:01:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2021-11-13 18:01:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:01:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:01:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-11-13 18:01:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-11-13 18:01:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-11-13 18:01:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-11-13 18:01:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-11-13 18:01:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-11-13 18:01:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-11-13 18:01:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-11-13 18:01:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-13 18:01:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-13 18:01:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-13 18:01:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-13 18:01:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 18:01:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 18:01:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-11-13 18:01:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-11-13 18:01:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-11-13 18:01:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-11-13 18:01:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-13 18:01:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-13 18:01:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:01:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:01:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-13 18:01:45,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-13 18:01:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-11-13 18:01:45,597 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-11-13 18:01:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_stats [2021-11-13 18:01:45,597 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_stats [2021-11-13 18:01:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-13 18:01:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-13 18:01:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-11-13 18:01:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-11-13 18:01:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-11-13 18:01:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-11-13 18:01:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 18:01:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 18:01:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_frag_len [2021-11-13 18:01:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_frag_len [2021-11-13 18:01:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:01:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-13 18:01:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-11-13 18:01:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-11-13 18:01:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 18:01:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 18:01:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 18:01:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 18:01:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:01:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:01:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-11-13 18:01:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-11-13 18:01:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:01:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:01:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-13 18:01:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-13 18:01:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_change_mtu [2021-11-13 18:01:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_change_mtu [2021-11-13 18:01:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-11-13 18:01:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-11-13 18:01:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-13 18:01:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-13 18:01:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-11-13 18:01:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-11-13 18:01:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-11-13 18:01:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-11-13 18:01:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:01:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:01:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-11-13 18:01:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-11-13 18:01:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-11-13 18:01:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-11-13 18:01:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-11-13 18:01:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-11-13 18:01:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 18:01:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 18:01:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 18:01:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 18:01:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:01:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:01:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-11-13 18:01:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-11-13 18:01:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-13 18:01:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-13 18:01:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-11-13 18:01:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-11-13 18:01:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-11-13 18:01:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-11-13 18:01:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-11-13 18:01:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-11-13 18:01:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-13 18:01:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-13 18:01:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-13 18:01:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-13 18:01:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-13 18:01:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-13 18:01:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-11-13 18:01:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-11-13 18:01:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-13 18:01:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-13 18:01:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-11-13 18:01:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-11-13 18:01:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 18:01:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 18:01:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:01:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:01:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-11-13 18:01:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-11-13 18:01:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-11-13 18:01:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-11-13 18:01:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-11-13 18:01:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-11-13 18:01:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-13 18:01:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-13 18:01:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:01:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:01:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-11-13 18:01:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-11-13 18:01:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-13 18:01:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-13 18:01:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-13 18:01:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-13 18:01:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-11-13 18:01:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-11-13 18:01:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-11-13 18:01:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-11-13 18:01:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:01:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:01:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-11-13 18:01:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-11-13 18:01:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:01:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:01:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:01:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:01:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-13 18:01:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-13 18:01:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:01:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:01:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_phy_info_task [2021-11-13 18:01:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_phy_info_task [2021-11-13 18:01:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2021-11-13 18:01:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2021-11-13 18:01:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 18:01:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 18:01:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-11-13 18:01:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-11-13 18:01:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 18:01:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 18:01:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 18:01:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:01:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:01:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:01:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:01:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-13 18:01:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-13 18:01:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_alloc_frag [2021-11-13 18:01:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_alloc_frag [2021-11-13 18:01:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-13 18:01:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-13 18:01:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-13 18:01:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-13 18:01:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-11-13 18:01:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-11-13 18:01:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:01:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:01:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:01:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:01:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-13 18:01:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-13 18:01:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-13 18:01:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-13 18:01:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-11-13 18:01:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-11-13 18:01:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:01:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:01:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-11-13 18:01:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-11-13 18:01:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-11-13 18:01:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-11-13 18:01:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 18:01:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 18:01:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-11-13 18:01:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-11-13 18:01:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 18:01:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 18:01:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-11-13 18:01:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-11-13 18:01:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-11-13 18:01:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-11-13 18:01:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 18:01:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 18:01:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 18:01:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 18:01:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-13 18:01:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-13 18:01:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:01:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:01:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:01:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 18:01:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 18:01:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 18:01:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 18:01:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-11-13 18:01:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-11-13 18:01:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:01:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-13 18:01:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-13 18:01:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_task [2021-11-13 18:01:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_task [2021-11-13 18:01:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-13 18:01:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-13 18:01:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_features [2021-11-13 18:01:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_features [2021-11-13 18:01:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-13 18:01:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-13 18:01:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-13 18:01:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-13 18:01:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-11-13 18:01:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-11-13 18:01:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-11-13 18:01:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-11-13 18:01:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-11-13 18:01:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-11-13 18:01:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:01:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2021-11-13 18:01:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2021-11-13 18:01:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_watchdog [2021-11-13 18:01:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_watchdog [2021-11-13 18:01:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-11-13 18:01:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-11-13 18:01:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-11-13 18:01:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-11-13 18:01:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-11-13 18:01:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-11-13 18:01:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-13 18:01:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-13 18:01:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 18:01:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 18:01:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-11-13 18:01:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-11-13 18:01:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-11-13 18:01:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-11-13 18:01:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 18:01:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 18:01:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 18:01:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 18:01:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-11-13 18:01:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-11-13 18:01:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-11-13 18:01:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-11-13 18:01:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:01:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:01:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-11-13 18:01:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-11-13 18:01:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-11-13 18:01:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-11-13 18:01:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-11-13 18:01:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-11-13 18:01:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-13 18:01:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-13 18:01:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_45 [2021-11-13 18:01:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_45 [2021-11-13 18:01:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-11-13 18:01:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-11-13 18:01:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-11-13 18:01:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-11-13 18:01:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-11-13 18:01:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-11-13 18:01:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 18:01:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 18:01:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-13 18:01:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-13 18:01:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 18:01:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 18:01:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-11-13 18:01:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-11-13 18:01:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-13 18:01:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-13 18:01:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-11-13 18:01:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-11-13 18:01:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-11-13 18:01:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-11-13 18:01:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-11-13 18:01:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-11-13 18:01:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-13 18:01:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-13 18:01:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:01:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:01:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-11-13 18:01:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-11-13 18:01:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-13 18:01:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-13 18:01:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-13 18:01:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-13 18:01:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:01:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:01:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-11-13 18:01:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-11-13 18:01:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-11-13 18:01:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-11-13 18:01:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:01:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_82547_tx_fifo_stall_task [2021-11-13 18:01:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_82547_tx_fifo_stall_task [2021-11-13 18:01:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs___0 [2021-11-13 18:01:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs___0 [2021-11-13 18:01:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-11-13 18:01:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-11-13 18:01:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-11-13 18:01:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-11-13 18:01:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:01:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:01:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-11-13 18:01:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-11-13 18:01:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-13 18:01:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-13 18:01:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-11-13 18:01:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-11-13 18:01:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 18:01:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 18:01:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-11-13 18:01:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-11-13 18:01:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 18:01:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 18:01:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 18:01:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 18:01:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-13 18:01:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-13 18:01:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-13 18:01:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-13 18:01:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-11-13 18:01:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-11-13 18:01:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_error_detected [2021-11-13 18:01:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_error_detected [2021-11-13 18:01:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-13 18:01:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-13 18:01:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-11-13 18:01:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-11-13 18:01:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-11-13 18:01:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-11-13 18:01:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-11-13 18:01:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-11-13 18:01:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-13 18:01:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-13 18:01:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 18:01:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 18:01:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2021-11-13 18:01:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2021-11-13 18:01:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-11-13 18:01:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-11-13 18:01:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-11-13 18:01:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-11-13 18:01:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-11-13 18:01:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-11-13 18:01:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-11-13 18:01:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-11-13 18:01:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-11-13 18:01:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-11-13 18:01:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 18:01:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 18:01:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:01:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:01:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-13 18:01:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-13 18:01:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-11-13 18:01:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-11-13 18:01:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-13 18:01:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-13 18:01:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 18:01:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 18:01:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-11-13 18:01:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-11-13 18:01:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:01:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:01:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-13 18:01:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-13 18:01:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_ioctl [2021-11-13 18:01:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_ioctl [2021-11-13 18:01:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 18:01:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 18:01:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_mac [2021-11-13 18:01:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_mac [2021-11-13 18:01:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:01:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-13 18:01:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-13 18:01:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-11-13 18:01:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-11-13 18:01:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-13 18:01:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_frag [2021-11-13 18:01:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_frag [2021-11-13 18:01:49,294 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:07:12,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:07:12,521 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 18:07:12,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:12 BoogieIcfgContainer [2021-11-13 18:07:12,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:07:12,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:07:12,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:07:12,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:07:12,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:01:31" (1/3) ... [2021-11-13 18:07:12,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e20dc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:12, skipping insertion in model container [2021-11-13 18:07:12,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:42" (2/3) ... [2021-11-13 18:07:12,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e20dc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:12, skipping insertion in model container [2021-11-13 18:07:12,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:12" (3/3) ... [2021-11-13 18:07:12,538 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 [2021-11-13 18:07:12,543 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:07:12,543 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:07:12,620 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:07:12,627 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 [2021-11-13 18:07:12,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:07:12,784 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) [2021-11-13 18:07:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-13 18:07:12,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:12,810 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] [2021-11-13 18:07:12,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:12,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1754235194, now seen corresponding path program 1 times [2021-11-13 18:07:12,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:12,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492030096] [2021-11-13 18:07:12,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:12,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:07:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:14,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:07:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:07:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:07:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:07:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:07:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-13 18:07:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-13 18:07:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:07:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-13 18:07:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-13 18:07:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:07:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-13 18:07:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:07:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-13 18:07:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-13 18:07:15,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:15,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492030096] [2021-11-13 18:07:15,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492030096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:15,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:15,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:07:15,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457254209] [2021-11-13 18:07:15,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:15,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:07:15,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:15,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:07:15,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:07:15,922 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) [2021-11-13 18:07:18,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:37,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:47,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:49,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:51,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:53,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:55,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:57,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:00,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:02,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:04,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:06,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:11,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:13,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:16,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:18,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:19,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:08:19,419 INFO L93 Difference]: Finished difference Result 17614 states and 26965 transitions. [2021-11-13 18:08:19,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:08:19,423 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 [2021-11-13 18:08:19,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:08:19,575 INFO L225 Difference]: With dead ends: 17614 [2021-11-13 18:08:19,575 INFO L226 Difference]: Without dead ends: 9366 [2021-11-13 18:08:19,668 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 [2021-11-13 18:08:19,671 INFO L933 BasicCegarLoop]: 11848 mSDtfsCounter, 6770 mSDsluCounter, 5891 mSDsCounter, 0 mSdLazyCounter, 5077 mSolverCounterSat, 8531 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57676.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6895 SdHoareTripleChecker+Valid, 17739 SdHoareTripleChecker+Invalid, 13622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 157.12ms SdHoareTripleChecker+Time, 8531 IncrementalHoareTripleChecker+Valid, 5077 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62432.06ms IncrementalHoareTripleChecker+Time [2021-11-13 18:08:19,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6895 Valid, 17739 Invalid, 13622 Unknown, 0 Unchecked, 157.12ms Time], IncrementalHoareTripleChecker [8531 Valid, 5077 Invalid, 14 Unknown, 0 Unchecked, 62432.06ms Time] [2021-11-13 18:08:19,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9366 states. [2021-11-13 18:08:20,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9366 to 8177. [2021-11-13 18:08:20,451 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) [2021-11-13 18:08:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8177 states to 8177 states and 12217 transitions. [2021-11-13 18:08:20,537 INFO L78 Accepts]: Start accepts. Automaton has 8177 states and 12217 transitions. Word has length 207 [2021-11-13 18:08:20,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:08:20,538 INFO L470 AbstractCegarLoop]: Abstraction has 8177 states and 12217 transitions. [2021-11-13 18:08:20,538 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) [2021-11-13 18:08:20,538 INFO L276 IsEmpty]: Start isEmpty. Operand 8177 states and 12217 transitions. [2021-11-13 18:08:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-13 18:08:20,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:08:20,545 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] [2021-11-13 18:08:20,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:08:20,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:08:20,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:08:20,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1964889208, now seen corresponding path program 1 times [2021-11-13 18:08:20,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:08:20,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502114748] [2021-11-13 18:08:20,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:08:20,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:08:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:08:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:08:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:08:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:08:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:08:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:08:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-13 18:08:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-13 18:08:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:08:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-13 18:08:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-13 18:08:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:08:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-13 18:08:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:08:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 18:08:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-13 18:08:23,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:08:23,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502114748] [2021-11-13 18:08:23,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502114748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:08:23,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:08:23,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:08:23,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058764206] [2021-11-13 18:08:23,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:08:23,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:08:23,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:08:23,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:08:23,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:08:23,607 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) [2021-11-13 18:08:26,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:28,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:59,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:01,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:03,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:05,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:07,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:09,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:10,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:12,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:15,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:17,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:19,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:21,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:23,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:25,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:27,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:29,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:31,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:33,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:36,022 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:38,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:55,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:57,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:23,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:25,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:27,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:29,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:31,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:33,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:35,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:38,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:40,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:42,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:44,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:46,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:48,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:51,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:53,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:57,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:00,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:02,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:04,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:07,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:09,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:11,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:13,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:18,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:20,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:11:21,322 INFO L93 Difference]: Finished difference Result 25852 states and 39531 transitions. [2021-11-13 18:11:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:11:21,322 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 [2021-11-13 18:11:21,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:11:21,523 INFO L225 Difference]: With dead ends: 25852 [2021-11-13 18:11:21,524 INFO L226 Difference]: Without dead ends: 17710 [2021-11-13 18:11:21,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:11:21,580 INFO L933 BasicCegarLoop]: 13489 mSDtfsCounter, 19340 mSDsluCounter, 21891 mSDsCounter, 0 mSdLazyCounter, 14754 mSolverCounterSat, 12279 mSolverCounterUnsat, 46 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 164483.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20669 SdHoareTripleChecker+Valid, 35380 SdHoareTripleChecker+Invalid, 27079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 278.18ms SdHoareTripleChecker+Time, 12279 IncrementalHoareTripleChecker+Valid, 14754 IncrementalHoareTripleChecker+Invalid, 46 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176009.67ms IncrementalHoareTripleChecker+Time [2021-11-13 18:11:21,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20669 Valid, 35380 Invalid, 27079 Unknown, 0 Unchecked, 278.18ms Time], IncrementalHoareTripleChecker [12279 Valid, 14754 Invalid, 46 Unknown, 0 Unchecked, 176009.67ms Time] [2021-11-13 18:11:21,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17710 states. [2021-11-13 18:11:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17710 to 15410. [2021-11-13 18:11:22,886 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) [2021-11-13 18:11:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15410 states to 15410 states and 23033 transitions. [2021-11-13 18:11:23,005 INFO L78 Accepts]: Start accepts. Automaton has 15410 states and 23033 transitions. Word has length 206 [2021-11-13 18:11:23,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:11:23,008 INFO L470 AbstractCegarLoop]: Abstraction has 15410 states and 23033 transitions. [2021-11-13 18:11:23,009 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) [2021-11-13 18:11:23,009 INFO L276 IsEmpty]: Start isEmpty. Operand 15410 states and 23033 transitions. [2021-11-13 18:11:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-13 18:11:23,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:11:23,022 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] [2021-11-13 18:11:23,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:11:23,022 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:11:23,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:11:23,023 INFO L85 PathProgramCache]: Analyzing trace with hash 253932804, now seen corresponding path program 1 times [2021-11-13 18:11:23,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:11:23,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199720742] [2021-11-13 18:11:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:11:23,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:11:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:11:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:11:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:11:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:11:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:11:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:11:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:11:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:11:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:11:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:11:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-13 18:11:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-13 18:11:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:11:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-13 18:11:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-13 18:11:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:11:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-13 18:11:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:11:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:11:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:11:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 18:11:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-13 18:11:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-13 18:11:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-11-13 18:11:26,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:11:26,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199720742] [2021-11-13 18:11:26,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199720742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:11:26,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:11:26,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:11:26,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995697832] [2021-11-13 18:11:26,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:11:26,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:11:26,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:11:26,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:11:26,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:11:26,120 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) [2021-11-13 18:11:28,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:30,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:34,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:05,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:07,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:09,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:11,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:13,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:15,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:17,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:19,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:21,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:23,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:25,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:27,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:30,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:32,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:34,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:36,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:38,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:40,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:42,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:44,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:46,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:48,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:16,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:18,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:37,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:46,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:50,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:53,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:55,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:13:56,742 INFO L93 Difference]: Finished difference Result 50508 states and 77271 transitions. [2021-11-13 18:13:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:13:56,742 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 [2021-11-13 18:13:56,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:13:57,075 INFO L225 Difference]: With dead ends: 50508 [2021-11-13 18:13:57,076 INFO L226 Difference]: Without dead ends: 35133 [2021-11-13 18:13:57,204 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 [2021-11-13 18:13:57,208 INFO L933 BasicCegarLoop]: 13577 mSDtfsCounter, 19162 mSDsluCounter, 22279 mSDsCounter, 0 mSdLazyCounter, 15068 mSolverCounterSat, 12385 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135878.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20661 SdHoareTripleChecker+Valid, 35856 SdHoareTripleChecker+Invalid, 27482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 270.23ms SdHoareTripleChecker+Time, 12385 IncrementalHoareTripleChecker+Valid, 15068 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 148369.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:13:57,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20661 Valid, 35856 Invalid, 27482 Unknown, 0 Unchecked, 270.23ms Time], IncrementalHoareTripleChecker [12385 Valid, 15068 Invalid, 29 Unknown, 0 Unchecked, 148369.00ms Time] [2021-11-13 18:13:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35133 states. [2021-11-13 18:13:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35133 to 30565. [2021-11-13 18:13:59,821 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) [2021-11-13 18:14:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30565 states to 30565 states and 45682 transitions. [2021-11-13 18:14:00,095 INFO L78 Accepts]: Start accepts. Automaton has 30565 states and 45682 transitions. Word has length 242 [2021-11-13 18:14:00,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:14:00,097 INFO L470 AbstractCegarLoop]: Abstraction has 30565 states and 45682 transitions. [2021-11-13 18:14:00,097 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) [2021-11-13 18:14:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30565 states and 45682 transitions. [2021-11-13 18:14:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-13 18:14:00,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:14:00,118 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] [2021-11-13 18:14:00,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:14:00,118 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:14:00,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:14:00,119 INFO L85 PathProgramCache]: Analyzing trace with hash -90255273, now seen corresponding path program 1 times [2021-11-13 18:14:00,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:14:00,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704723742] [2021-11-13 18:14:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:14:00,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:14:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:14:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:14:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:14:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:14:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:14:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:14:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:14:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:14:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:14:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:14:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-13 18:14:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-13 18:14:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:14:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-13 18:14:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-13 18:14:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:14:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-13 18:14:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:14:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-13 18:14:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-13 18:14:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 18:14:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 18:14:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-13 18:14:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-13 18:14:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-13 18:14:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:14:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 18:14:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 18:14:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:14:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-13 18:14:03,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:14:03,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704723742] [2021-11-13 18:14:03,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704723742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:14:03,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:14:03,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:14:03,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531013215] [2021-11-13 18:14:03,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:14:03,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:14:03,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:14:03,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:14:03,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:14:03,427 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, (33), 5 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 18:14:05,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:14:08,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:14:12,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []