./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--atheros--alx--alx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 73f2068ebecd267166c2d24f656fc1164bd021977ce12d612bec590cb9866503 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:10:38,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:10:38,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:10:38,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:10:38,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:10:38,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:10:38,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:10:38,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:10:38,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:10:38,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:10:38,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:10:38,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:10:38,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:10:38,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:10:38,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:10:38,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:10:38,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:10:38,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:10:38,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:10:38,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:10:38,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:10:38,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:10:38,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:10:38,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:10:38,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:10:38,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:10:38,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:10:38,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:10:38,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:10:38,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:10:38,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:10:38,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:10:38,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:10:38,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:10:38,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:10:38,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:10:38,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:10:38,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:10:38,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:10:38,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:10:38,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:10:38,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:10:38,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:10:38,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:10:38,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:10:38,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:10:38,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:10:38,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:10:38,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:10:38,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:10:38,518 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:10:38,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:10:38,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:10:38,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:10:38,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:10:38,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:10:38,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:10:38,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:10:38,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:10:38,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:10:38,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:10:38,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:10:38,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:10:38,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:10:38,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:10:38,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:10:38,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:10:38,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:10:38,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:10:38,521 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:10:38,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:10:38,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:10:38,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:10:38,522 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f2068ebecd267166c2d24f656fc1164bd021977ce12d612bec590cb9866503 [2021-12-22 15:10:38,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:10:38,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:10:38,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:10:38,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:10:38,731 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:10:38,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2021-12-22 15:10:38,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d82a4d2c/7343d076c88d459daa578f036a453cb6/FLAGa5e6a88fe [2021-12-22 15:10:39,499 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:10:39,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2021-12-22 15:10:39,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d82a4d2c/7343d076c88d459daa578f036a453cb6/FLAGa5e6a88fe [2021-12-22 15:10:39,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d82a4d2c/7343d076c88d459daa578f036a453cb6 [2021-12-22 15:10:39,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:10:39,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:10:39,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:10:39,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:10:39,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:10:39,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:10:39" (1/1) ... [2021-12-22 15:10:39,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ac9929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:39, skipping insertion in model container [2021-12-22 15:10:39,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:10:39" (1/1) ... [2021-12-22 15:10:39,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:10:39,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:10:42,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i[381779,381792] [2021-12-22 15:10:42,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:10:42,891 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:10:43,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i[381779,381792] [2021-12-22 15:10:43,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:10:43,395 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:10:43,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43 WrapperNode [2021-12-22 15:10:43,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:10:43,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:10:43,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:10:43,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:10:43,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,701 INFO L137 Inliner]: procedures = 473, calls = 3863, calls flagged for inlining = 218, calls inlined = 198, statements flattened = 7207 [2021-12-22 15:10:43,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:10:43,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:10:43,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:10:43,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:10:43,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:43,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:44,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:10:44,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:10:44,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:10:44,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:10:44,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (1/1) ... [2021-12-22 15:10:44,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:10:44,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:10:44,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:10:44,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:10:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-22 15:10:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-22 15:10:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:10:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:10:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:10:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:10:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:10:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:10:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-22 15:10:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-22 15:10:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-22 15:10:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-22 15:10:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-22 15:10:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-22 15:10:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-22 15:10:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-22 15:10:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-22 15:10:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-22 15:10:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-22 15:10:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-22 15:10:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:10:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:10:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-22 15:10:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-22 15:10:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:10:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:10:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:10:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:10:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure alx_link_check [2021-12-22 15:10:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_link_check [2021-12-22 15:10:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-22 15:10:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-22 15:10:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-22 15:10:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-22 15:10:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:10:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:10:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-22 15:10:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-22 15:10:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-22 15:10:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-22 15:10:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:10:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:10:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:10:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:10:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:10:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:10:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-22 15:10:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-22 15:10:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:10:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:10:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-22 15:10:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-22 15:10:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 15:10:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 15:10:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:10:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:10:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:10:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-22 15:10:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-22 15:10:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 15:10:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 15:10:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 15:10:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 15:10:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-22 15:10:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-22 15:10:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-22 15:10:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-22 15:10:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-22 15:10:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:10:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:10:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:10:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:10:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_detected [2021-12-22 15:10:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_detected [2021-12-22 15:10:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:10:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-22 15:10:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-22 15:10:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:10:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:10:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-22 15:10:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-22 15:10:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:10:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:10:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:10:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-22 15:10:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-22 15:10:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure alx_change_mtu [2021-12-22 15:10:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_change_mtu [2021-12-22 15:10:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:10:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:10:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:10:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:10:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:10:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-22 15:10:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-22 15:10:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-22 15:10:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-22 15:10:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-22 15:10:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-22 15:10:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:10:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:10:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-22 15:10:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-22 15:10:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-22 15:10:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-22 15:10:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:10:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:10:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset [2021-12-22 15:10:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset [2021-12-22 15:10:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:10:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:10:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:10:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:10:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-22 15:10:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-22 15:10:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:10:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:10:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-22 15:10:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-22 15:10:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-22 15:10:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-22 15:10:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:10:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:10:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:10:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:10:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:10:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:10:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:10:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-22 15:10:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-22 15:10:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-22 15:10:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-22 15:10:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-22 15:10:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-22 15:10:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_stats64 [2021-12-22 15:10:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_stats64 [2021-12-22 15:10:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-22 15:10:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-22 15:10:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-22 15:10:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-22 15:10:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-22 15:10:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-22 15:10:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-22 15:10:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-22 15:10:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-22 15:10:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-22 15:10:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:10:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:10:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:10:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:10:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:10:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:10:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-22 15:10:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-22 15:10:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-22 15:10:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-22 15:10:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-22 15:10:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-22 15:10:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:10:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:10:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-22 15:10:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-22 15:10:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:10:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:10:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 15:10:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 15:10:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-22 15:10:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-22 15:10:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:10:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:10:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:10:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:10:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-22 15:10:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-22 15:10:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:10:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:10:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_mac_address [2021-12-22 15:10:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_mac_address [2021-12-22 15:10:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:10:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:10:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:10:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:10:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 15:10:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:10:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:10:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:10:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:10:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-22 15:10:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-22 15:10:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2021-12-22 15:10:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2021-12-22 15:10:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:10:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:10:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-22 15:10:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-22 15:10:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-22 15:10:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-22 15:10:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:10:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:10:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-22 15:10:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-22 15:10:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-22 15:10:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-22 15:10:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-22 15:10:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-22 15:10:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-22 15:10:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-22 15:10:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:10:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:10:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:10:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:10:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:10:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:10:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:10:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:10:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:10:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:10:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:10:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-22 15:10:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-22 15:10:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-22 15:10:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-22 15:10:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 15:10:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 15:10:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-22 15:10:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-22 15:10:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:10:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:10:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:10:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:10:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:10:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_slot_reset [2021-12-22 15:10:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_slot_reset [2021-12-22 15:10:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:10:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-22 15:10:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-22 15:10:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-22 15:10:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-22 15:10:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-22 15:10:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-22 15:10:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_ioctl [2021-12-22 15:10:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_ioctl [2021-12-22 15:10:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:10:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:10:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:10:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:10:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:10:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:10:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:10:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:10:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:10:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:10:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure alx_fix_features [2021-12-22 15:10:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_fix_features [2021-12-22 15:10:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:10:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:10:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-22 15:10:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-22 15:10:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:10:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:10:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-22 15:10:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-22 15:10:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:10:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:10:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-22 15:10:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-22 15:10:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:10:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-22 15:10:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-22 15:10:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:10:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:10:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-22 15:10:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-22 15:10:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-22 15:10:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-22 15:10:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-22 15:10:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-22 15:10:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-22 15:10:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-22 15:10:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:10:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:10:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-22 15:10:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-22 15:10:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:10:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:10:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 15:10:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 15:10:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-22 15:10:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-22 15:10:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-22 15:10:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-22 15:10:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-22 15:10:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-22 15:10:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 15:10:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 15:10:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-22 15:10:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-22 15:10:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-22 15:10:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-22 15:10:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-22 15:10:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-22 15:10:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 15:10:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 15:10:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:10:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:10:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:10:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:10:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-22 15:10:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-22 15:10:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-22 15:10:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-22 15:10:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-22 15:10:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-22 15:10:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:10:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:10:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:10:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:10:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:10:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:10:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:10:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-22 15:10:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-22 15:10:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-22 15:10:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-22 15:10:44,859 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:10:44,862 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:10:44,973 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:10:53,173 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:10:53,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:10:53,202 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:10:53,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:10:53 BoogieIcfgContainer [2021-12-22 15:10:53,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:10:53,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:10:53,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:10:53,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:10:53,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:10:39" (1/3) ... [2021-12-22 15:10:53,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb2ab7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:10:53, skipping insertion in model container [2021-12-22 15:10:53,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:43" (2/3) ... [2021-12-22 15:10:53,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb2ab7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:10:53, skipping insertion in model container [2021-12-22 15:10:53,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:10:53" (3/3) ... [2021-12-22 15:10:53,217 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2021-12-22 15:10:53,226 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:10:53,226 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:10:53,275 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:10:53,280 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:10:53,281 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:10:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 2605 states, 1756 states have (on average 1.3314350797266514) internal successors, (2338), 1805 states have internal predecessors, (2338), 697 states have call successors, (697), 152 states have call predecessors, (697), 151 states have return successors, (684), 675 states have call predecessors, (684), 684 states have call successors, (684) [2021-12-22 15:10:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-22 15:10:53,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:10:53,364 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-22 15:10:53,365 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:10:53,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:10:53,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1674508748, now seen corresponding path program 1 times [2021-12-22 15:10:53,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:10:53,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630588460] [2021-12-22 15:10:53,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:10:53,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:10:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:10:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:10:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:10:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:10:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:10:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:10:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:10:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:10:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:10:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:10:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:10:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 15:10:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 15:10:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:10:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:10:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 15:10:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-12-22 15:10:54,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:10:54,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630588460] [2021-12-22 15:10:54,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630588460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:10:54,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:10:54,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:10:54,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342166396] [2021-12-22 15:10:54,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:10:54,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:10:54,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:10:54,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:10:54,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:10:54,344 INFO L87 Difference]: Start difference. First operand has 2605 states, 1756 states have (on average 1.3314350797266514) internal successors, (2338), 1805 states have internal predecessors, (2338), 697 states have call successors, (697), 152 states have call predecessors, (697), 151 states have return successors, (684), 675 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 15:10:58,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:11:01,394 INFO L93 Difference]: Finished difference Result 5477 states and 7944 transitions. [2021-12-22 15:11:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:11:01,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 159 [2021-12-22 15:11:01,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:11:01,429 INFO L225 Difference]: With dead ends: 5477 [2021-12-22 15:11:01,430 INFO L226 Difference]: Without dead ends: 2848 [2021-12-22 15:11:01,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:11:01,447 INFO L933 BasicCegarLoop]: 3454 mSDtfsCounter, 2511 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 2935 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 4972 SdHoareTripleChecker+Invalid, 4119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:11:01,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2558 Valid, 4972 Invalid, 4119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2935 Valid, 1183 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2021-12-22 15:11:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2021-12-22 15:11:01,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2573. [2021-12-22 15:11:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 1739 states have (on average 1.3214491086831512) internal successors, (2298), 1772 states have internal predecessors, (2298), 683 states have call successors, (683), 151 states have call predecessors, (683), 150 states have return successors, (682), 673 states have call predecessors, (682), 682 states have call successors, (682) [2021-12-22 15:11:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3663 transitions. [2021-12-22 15:11:01,699 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3663 transitions. Word has length 159 [2021-12-22 15:11:01,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:11:01,699 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 3663 transitions. [2021-12-22 15:11:01,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 15:11:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3663 transitions. [2021-12-22 15:11:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-22 15:11:01,709 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:11:01,709 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-22 15:11:01,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:11:01,710 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:11:01,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:11:01,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1384403330, now seen corresponding path program 1 times [2021-12-22 15:11:01,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:11:01,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763823089] [2021-12-22 15:11:01,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:11:01,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:11:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:11:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:11:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:11:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:11:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:11:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:11:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 15:11:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 15:11:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:11:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 15:11:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-12-22 15:11:02,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:11:02,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763823089] [2021-12-22 15:11:02,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763823089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:11:02,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:11:02,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:11:02,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027932967] [2021-12-22 15:11:02,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:11:02,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:11:02,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:11:02,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:11:02,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:11:02,206 INFO L87 Difference]: Start difference. First operand 2573 states and 3663 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 15:11:05,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:07,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:13,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:17,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:18,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:11:18,202 INFO L93 Difference]: Finished difference Result 7887 states and 11340 transitions. [2021-12-22 15:11:18,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:11:18,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 159 [2021-12-22 15:11:18,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:11:18,226 INFO L225 Difference]: With dead ends: 7887 [2021-12-22 15:11:18,227 INFO L226 Difference]: Without dead ends: 5337 [2021-12-22 15:11:18,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:11:18,237 INFO L933 BasicCegarLoop]: 3926 mSDtfsCounter, 5806 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 4201 mSolverCounterSat, 4060 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6218 SdHoareTripleChecker+Valid, 9602 SdHoareTripleChecker+Invalid, 8264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4060 IncrementalHoareTripleChecker+Valid, 4201 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:11:18,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6218 Valid, 9602 Invalid, 8264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4060 Valid, 4201 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2021-12-22 15:11:18,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2021-12-22 15:11:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 4794. [2021-12-22 15:11:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 3237 states have (on average 1.321902996601792) internal successors, (4279), 3304 states have internal predecessors, (4279), 1269 states have call successors, (1269), 288 states have call predecessors, (1269), 287 states have return successors, (1268), 1247 states have call predecessors, (1268), 1268 states have call successors, (1268) [2021-12-22 15:11:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6816 transitions. [2021-12-22 15:11:18,400 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6816 transitions. Word has length 159 [2021-12-22 15:11:18,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:11:18,401 INFO L470 AbstractCegarLoop]: Abstraction has 4794 states and 6816 transitions. [2021-12-22 15:11:18,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 15:11:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6816 transitions. [2021-12-22 15:11:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-22 15:11:18,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:11:18,407 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:11:18,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:11:18,408 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:11:18,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:11:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1047828308, now seen corresponding path program 1 times [2021-12-22 15:11:18,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:11:18,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510817693] [2021-12-22 15:11:18,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:11:18,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:11:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:11:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:11:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:11:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:11:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:11:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:11:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 15:11:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 15:11:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:11:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:11:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:11:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:11:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:11:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-22 15:11:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 15:11:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:11:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 15:11:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 15:11:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:11:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:11:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:11:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 15:11:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-22 15:11:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-12-22 15:11:19,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:11:19,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510817693] [2021-12-22 15:11:19,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510817693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:11:19,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:11:19,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:11:19,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518743910] [2021-12-22 15:11:19,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:11:19,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:11:19,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:11:19,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:11:19,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:11:19,057 INFO L87 Difference]: Start difference. First operand 4794 states and 6816 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-22 15:11:21,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:23,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:27,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:30,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:37,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:38,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:11:38,212 INFO L93 Difference]: Finished difference Result 15202 states and 21828 transitions. [2021-12-22 15:11:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:11:38,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 244 [2021-12-22 15:11:38,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:11:38,302 INFO L225 Difference]: With dead ends: 15202 [2021-12-22 15:11:38,303 INFO L226 Difference]: Without dead ends: 10431 [2021-12-22 15:11:38,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:11:38,323 INFO L933 BasicCegarLoop]: 4152 mSDtfsCounter, 6028 mSDsluCounter, 5579 mSDsCounter, 0 mSdLazyCounter, 4571 mSolverCounterSat, 4136 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6478 SdHoareTripleChecker+Valid, 9731 SdHoareTripleChecker+Invalid, 8712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4136 IncrementalHoareTripleChecker+Valid, 4571 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:11:38,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6478 Valid, 9731 Invalid, 8712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4136 Valid, 4571 Invalid, 5 Unknown, 0 Unchecked, 18.6s Time] [2021-12-22 15:11:38,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10431 states. [2021-12-22 15:11:38,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10431 to 9380. [2021-12-22 15:11:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9380 states, 6341 states have (on average 1.3214004100299637) internal successors, (8379), 6471 states have internal predecessors, (8379), 2470 states have call successors, (2470), 569 states have call predecessors, (2470), 568 states have return successors, (2469), 2425 states have call predecessors, (2469), 2469 states have call successors, (2469) [2021-12-22 15:11:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 13318 transitions. [2021-12-22 15:11:38,693 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 13318 transitions. Word has length 244 [2021-12-22 15:11:38,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:11:38,695 INFO L470 AbstractCegarLoop]: Abstraction has 9380 states and 13318 transitions. [2021-12-22 15:11:38,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-22 15:11:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 13318 transitions. [2021-12-22 15:11:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-12-22 15:11:38,709 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:11:38,709 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:11:38,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:11:38,710 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:11:38,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:11:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash -2065086585, now seen corresponding path program 1 times [2021-12-22 15:11:38,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:11:38,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500400661] [2021-12-22 15:11:38,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:11:38,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:11:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:11:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:11:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:11:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:11:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:11:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:11:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 15:11:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 15:11:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:11:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:11:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 15:11:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:11:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:11:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:11:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-22 15:11:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-22 15:11:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-22 15:11:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:11:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-22 15:11:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-22 15:11:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-22 15:11:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:11:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:11:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-22 15:11:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-22 15:11:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-22 15:11:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:11:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-22 15:11:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-22 15:11:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2021-12-22 15:11:39,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:11:39,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500400661] [2021-12-22 15:11:39,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500400661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:11:39,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:11:39,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:11:39,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522978830] [2021-12-22 15:11:39,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:11:39,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:11:39,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:11:39,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:11:39,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:11:39,545 INFO L87 Difference]: Start difference. First operand 9380 states and 13318 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33)