./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:04:23,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:04:23,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:04:23,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:04:23,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:04:23,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:04:23,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:04:23,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:04:23,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:04:23,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:04:23,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:04:23,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:04:23,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:04:23,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:04:23,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:04:23,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:04:23,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:04:23,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:04:23,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:04:23,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:04:23,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:04:23,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:04:23,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:04:23,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:04:23,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:04:23,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:04:23,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:04:23,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:04:23,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:04:23,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:04:23,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:04:23,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:04:23,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:04:23,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:04:23,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:04:23,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:04:23,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:04:23,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:04:23,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:04:23,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:04:23,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:04:23,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:04:23,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:04:23,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:04:23,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:04:23,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:04:23,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:04:23,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:04:23,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:04:23,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:04:23,478 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:04:23,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:04:23,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:04:23,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:04:23,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:04:23,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:04:23,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:04:23,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:04:23,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:04:23,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:04:23,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:04:23,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:04:23,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:04:23,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:04:23,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:04:23,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:04:23,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:04:23,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:04:23,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:04:23,482 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:04:23,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:04:23,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:04:23,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2021-12-28 05:04:23,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:04:23,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:04:23,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:04:23,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:04:23,767 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:04:23,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-28 05:04:23,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7494cd49e/97d8d4d985b241dfaa153d5126f46792/FLAGf9eaed480 [2021-12-28 05:04:24,539 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:04:24,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-28 05:04:24,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7494cd49e/97d8d4d985b241dfaa153d5126f46792/FLAGf9eaed480 [2021-12-28 05:04:24,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7494cd49e/97d8d4d985b241dfaa153d5126f46792 [2021-12-28 05:04:24,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:04:24,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:04:24,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:04:24,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:04:24,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:04:24,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:04:24" (1/1) ... [2021-12-28 05:04:24,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ed06b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:24, skipping insertion in model container [2021-12-28 05:04:24,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:04:24" (1/1) ... [2021-12-28 05:04:24,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:04:24,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:04:28,310 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-12-28 05:04:28,312 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-12-28 05:04:28,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:04:28,397 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:04:28,707 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-12-28 05:04:28,708 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-12-28 05:04:28,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:04:29,011 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:04:29,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29 WrapperNode [2021-12-28 05:04:29,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:04:29,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:04:29,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:04:29,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:04:29,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,355 INFO L137 Inliner]: procedures = 667, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8509 [2021-12-28 05:04:29,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:04:29,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:04:29,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:04:29,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:04:29,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:04:29,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:04:29,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:04:29,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:04:29,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (1/1) ... [2021-12-28 05:04:29,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:04:29,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:04:29,874 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) [2021-12-28 05:04:29,922 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 [2021-12-28 05:04:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-28 05:04:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-28 05:04:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:04:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:04:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-28 05:04:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-28 05:04:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:04:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:04:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-28 05:04:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-28 05:04:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-28 05:04:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-28 05:04:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-28 05:04:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-28 05:04:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-28 05:04:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-28 05:04:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-28 05:04:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-28 05:04:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 05:04:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 05:04:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-28 05:04:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-28 05:04:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:04:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:04:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:04:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:04:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-28 05:04:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-28 05:04:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-28 05:04:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-28 05:04:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-28 05:04:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-28 05:04:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:04:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:04:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-28 05:04:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-28 05:04:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-28 05:04:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-28 05:04:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:04:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:04:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:04:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:04:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:04:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:04:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:04:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:04:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-28 05:04:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-28 05:04:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-28 05:04:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-28 05:04:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:04:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:04:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-28 05:04:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-28 05:04:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 05:04:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 05:04:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:04:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 05:04:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 05:04:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-28 05:04:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-28 05:04:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 05:04:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 05:04:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 05:04:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 05:04:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-28 05:04:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-28 05:04:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-28 05:04:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-28 05:04:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-28 05:04:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:04:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:04:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 05:04:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 05:04:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-28 05:04:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-28 05:04:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:04:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-28 05:04:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-28 05:04:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-28 05:04:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-28 05:04:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:04:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:04:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-28 05:04:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-28 05:04:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:04:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:04:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:04:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-28 05:04:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-28 05:04:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:04:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:04:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:04:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:04:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:04:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 05:04:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 05:04:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:04:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:04:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:04:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:04:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-28 05:04:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-28 05:04:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-28 05:04:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-28 05:04:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:04:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:04:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:04:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:04:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 05:04:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 05:04:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-28 05:04:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-28 05:04:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-28 05:04:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-28 05:04:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:04:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:04:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:04:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:04:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:04:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-28 05:04:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-28 05:04:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 05:04:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 05:04:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 05:04:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 05:04:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-28 05:04:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-28 05:04:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 05:04:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 05:04:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-28 05:04:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-28 05:04:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:04:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:04:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:04:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:04:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:04:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:04:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:04:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:04:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:04:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-28 05:04:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-28 05:04:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-28 05:04:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-28 05:04:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-28 05:04:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-28 05:04:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:04:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:04:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:04:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:04:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:04:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:04:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 05:04:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 05:04:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-28 05:04:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-28 05:04:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-28 05:04:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-28 05:04:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-28 05:04:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-28 05:04:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-28 05:04:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-28 05:04:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-28 05:04:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-28 05:04:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:04:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:04:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 05:04:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 05:04:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 05:04:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 05:04:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:04:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:04:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-28 05:04:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-28 05:04:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:04:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:04:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-28 05:04:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-28 05:04:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-28 05:04:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-28 05:04:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:04:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:04:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-28 05:04:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-28 05:04:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:04:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:04:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 05:04:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 05:04:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-28 05:04:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-28 05:04:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:04:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:04:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:04:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:04:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-28 05:04:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-28 05:04:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:04:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:04:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 05:04:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 05:04:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:04:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:04:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 05:04:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-28 05:04:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-28 05:04:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-28 05:04:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-28 05:04:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 05:04:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 05:04:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-28 05:04:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-28 05:04:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:04:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:04:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-28 05:04:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-28 05:04:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-28 05:04:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-28 05:04:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:04:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:04:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-28 05:04:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-28 05:04:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-28 05:04:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-28 05:04:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-28 05:04:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-28 05:04:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:04:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:04:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 05:04:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 05:04:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-28 05:04:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-28 05:04:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 05:04:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 05:04:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:04:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:04:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:04:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 05:04:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 05:04:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-28 05:04:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-28 05:04:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-28 05:04:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-28 05:04:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 05:04:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 05:04:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-28 05:04:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-28 05:04:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:04:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:04:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:04:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-28 05:04:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-28 05:04:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-12-28 05:04:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-12-28 05:04:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:04:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-28 05:04:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-28 05:04:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:04:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:04:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 05:04:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 05:04:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-28 05:04:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-28 05:04:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 05:04:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 05:04:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 05:04:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 05:04:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:04:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:04:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 05:04:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 05:04:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:04:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:04:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 05:04:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 05:04:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-28 05:04:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-28 05:04:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 05:04:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 05:04:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-28 05:04:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-28 05:04:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-12-28 05:04:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-12-28 05:04:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:04:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:04:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:04:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:04:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-28 05:04:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-28 05:04:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:04:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:04:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-28 05:04:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-28 05:04:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:04:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:04:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-28 05:04:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-28 05:04:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:04:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:04:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:04:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-12-28 05:04:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-12-28 05:04:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-28 05:04:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-28 05:04:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:04:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:04:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-28 05:04:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-28 05:04:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-28 05:04:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-28 05:04:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-28 05:04:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-28 05:04:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:04:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:04:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-28 05:04:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-28 05:04:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 05:04:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 05:04:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-28 05:04:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-28 05:04:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-28 05:04:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-28 05:04:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-28 05:04:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-28 05:04:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-28 05:04:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-28 05:04:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-28 05:04:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-28 05:04:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-28 05:04:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-28 05:04:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 05:04:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 05:04:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-28 05:04:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-28 05:04:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:04:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:04:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 05:04:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 05:04:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-28 05:04:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-28 05:04:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-28 05:04:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-28 05:04:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-28 05:04:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-28 05:04:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-28 05:04:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-28 05:04:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 05:04:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 05:04:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 05:04:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 05:04:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 05:04:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 05:04:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-28 05:04:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-28 05:04:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:04:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:04:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:04:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-28 05:04:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-28 05:04:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-28 05:04:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-28 05:04:30,785 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:04:30,793 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:04:30,880 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:04:38,148 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:04:38,295 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:04:38,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:04:38,317 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-28 05:04:38,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:04:38 BoogieIcfgContainer [2021-12-28 05:04:38,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:04:38,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:04:38,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:04:38,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:04:38,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:04:24" (1/3) ... [2021-12-28 05:04:38,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3a0f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:04:38, skipping insertion in model container [2021-12-28 05:04:38,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:04:29" (2/3) ... [2021-12-28 05:04:38,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3a0f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:04:38, skipping insertion in model container [2021-12-28 05:04:38,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:04:38" (3/3) ... [2021-12-28 05:04:38,330 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-28 05:04:38,337 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:04:38,338 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 05:04:38,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:04:38,383 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 [2021-12-28 05:04:38,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 05:04:38,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2021-12-28 05:04:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-28 05:04:38,468 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:04:38,469 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:04:38,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:04:38,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:04:38,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1855749033, now seen corresponding path program 1 times [2021-12-28 05:04:38,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:04:38,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899513250] [2021-12-28 05:04:38,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:04:38,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:04:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:04:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:04:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:04:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:04:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:04:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:04:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:04:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:04:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:04:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:04:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:04:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:04:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:04:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:04:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:04:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:04:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:04:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 05:04:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 05:04:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:04:39,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:04:39,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899513250] [2021-12-28 05:04:39,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899513250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:04:39,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:04:39,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:04:39,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521590683] [2021-12-28 05:04:39,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:04:39,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:04:39,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:04:39,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:04:39,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:04:39,518 INFO L87 Difference]: Start difference. First operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:04:46,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:04:46,156 INFO L93 Difference]: Finished difference Result 8909 states and 12718 transitions. [2021-12-28 05:04:46,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:04:46,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2021-12-28 05:04:46,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:04:46,200 INFO L225 Difference]: With dead ends: 8909 [2021-12-28 05:04:46,201 INFO L226 Difference]: Without dead ends: 5743 [2021-12-28 05:04:46,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:04:46,223 INFO L933 BasicCegarLoop]: 4268 mSDtfsCounter, 4830 mSDsluCounter, 3697 mSDsCounter, 0 mSdLazyCounter, 3780 mSolverCounterSat, 2769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 7965 SdHoareTripleChecker+Invalid, 6549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2769 IncrementalHoareTripleChecker+Valid, 3780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:04:46,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5489 Valid, 7965 Invalid, 6549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2769 Valid, 3780 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-28 05:04:46,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5743 states. [2021-12-28 05:04:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5743 to 5558. [2021-12-28 05:04:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5558 states, 3728 states have (on average 1.2553648068669527) internal successors, (4680), 3797 states have internal predecessors, (4680), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2021-12-28 05:04:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2021-12-28 05:04:46,535 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2021-12-28 05:04:46,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:04:46,537 INFO L470 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2021-12-28 05:04:46,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:04:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2021-12-28 05:04:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-28 05:04:46,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:04:46,545 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:04:46,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:04:46,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:04:46,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:04:46,546 INFO L85 PathProgramCache]: Analyzing trace with hash 865692571, now seen corresponding path program 1 times [2021-12-28 05:04:46,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:04:46,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787072087] [2021-12-28 05:04:46,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:04:46,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:04:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:04:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:04:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:04:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:04:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:04:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:04:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:04:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:04:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:46,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:04:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:04:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:04:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:04:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:04:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:04:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:04:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:04:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:04:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 05:04:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-28 05:04:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:04:47,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:04:47,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787072087] [2021-12-28 05:04:47,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787072087] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:04:47,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:04:47,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 05:04:47,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453248913] [2021-12-28 05:04:47,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:04:47,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 05:04:47,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:04:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 05:04:47,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 05:04:47,146 INFO L87 Difference]: Start difference. First operand 5558 states and 7702 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:04:59,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:04:59,453 INFO L93 Difference]: Finished difference Result 21361 states and 29710 transitions. [2021-12-28 05:04:59,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 05:04:59,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 229 [2021-12-28 05:04:59,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:04:59,537 INFO L225 Difference]: With dead ends: 21361 [2021-12-28 05:04:59,538 INFO L226 Difference]: Without dead ends: 15840 [2021-12-28 05:04:59,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-28 05:04:59,565 INFO L933 BasicCegarLoop]: 5937 mSDtfsCounter, 9403 mSDsluCounter, 7862 mSDsCounter, 0 mSdLazyCounter, 13089 mSolverCounterSat, 4139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10781 SdHoareTripleChecker+Valid, 13799 SdHoareTripleChecker+Invalid, 17228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4139 IncrementalHoareTripleChecker+Valid, 13089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:04:59,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10781 Valid, 13799 Invalid, 17228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4139 Valid, 13089 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2021-12-28 05:04:59,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15840 states. [2021-12-28 05:05:00,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15840 to 15288. [2021-12-28 05:05:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15288 states, 10194 states have (on average 1.2509319207376888) internal successors, (12752), 10391 states have internal predecessors, (12752), 4179 states have call successors, (4179), 914 states have call predecessors, (4179), 914 states have return successors, (4179), 4118 states have call predecessors, (4179), 4179 states have call successors, (4179) [2021-12-28 05:05:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15288 states to 15288 states and 21110 transitions. [2021-12-28 05:05:00,247 INFO L78 Accepts]: Start accepts. Automaton has 15288 states and 21110 transitions. Word has length 229 [2021-12-28 05:05:00,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:05:00,249 INFO L470 AbstractCegarLoop]: Abstraction has 15288 states and 21110 transitions. [2021-12-28 05:05:00,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:05:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 15288 states and 21110 transitions. [2021-12-28 05:05:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-28 05:05:00,256 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:05:00,257 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2021-12-28 05:05:00,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:05:00,257 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:05:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:05:00,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1185039122, now seen corresponding path program 1 times [2021-12-28 05:05:00,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:05:00,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406485807] [2021-12-28 05:05:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:05:00,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:05:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:05:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:05:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:05:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:05:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:05:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:05:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:05:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:05:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:05:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:05:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:05:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:05:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:05:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:05:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:05:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:05:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:05:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-28 05:05:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:05:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:05:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 05:05:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-28 05:05:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-28 05:05:00,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:05:00,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406485807] [2021-12-28 05:05:00,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406485807] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:05:00,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:05:00,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:05:00,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165619042] [2021-12-28 05:05:00,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:05:00,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:05:00,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:05:00,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:05:00,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:05:00,863 INFO L87 Difference]: Start difference. First operand 15288 states and 21110 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-28 05:05:06,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:05:06,677 INFO L93 Difference]: Finished difference Result 46043 states and 63816 transitions. [2021-12-28 05:05:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:05:06,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2021-12-28 05:05:06,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:05:06,821 INFO L225 Difference]: With dead ends: 46043 [2021-12-28 05:05:06,822 INFO L226 Difference]: Without dead ends: 30792 [2021-12-28 05:05:06,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:05:06,899 INFO L933 BasicCegarLoop]: 5670 mSDtfsCounter, 4691 mSDsluCounter, 4143 mSDsCounter, 0 mSdLazyCounter, 3813 mSolverCounterSat, 2384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5421 SdHoareTripleChecker+Valid, 9813 SdHoareTripleChecker+Invalid, 6197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2384 IncrementalHoareTripleChecker+Valid, 3813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:05:06,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5421 Valid, 9813 Invalid, 6197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2384 Valid, 3813 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-28 05:05:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30792 states. [2021-12-28 05:05:07,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30792 to 29754. [2021-12-28 05:05:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29754 states, 19860 states have (on average 1.2496475327291037) internal successors, (24818), 20256 states have internal predecessors, (24818), 8107 states have call successors, (8107), 1786 states have call predecessors, (8107), 1786 states have return successors, (8107), 7982 states have call predecessors, (8107), 8107 states have call successors, (8107) [2021-12-28 05:05:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29754 states to 29754 states and 41032 transitions. [2021-12-28 05:05:07,958 INFO L78 Accepts]: Start accepts. Automaton has 29754 states and 41032 transitions. Word has length 256 [2021-12-28 05:05:07,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:05:07,959 INFO L470 AbstractCegarLoop]: Abstraction has 29754 states and 41032 transitions. [2021-12-28 05:05:07,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-28 05:05:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29754 states and 41032 transitions. [2021-12-28 05:05:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-28 05:05:07,969 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:05:07,969 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:05:07,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:05:07,970 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:05:07,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:05:07,970 INFO L85 PathProgramCache]: Analyzing trace with hash -128440568, now seen corresponding path program 1 times [2021-12-28 05:05:07,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:05:07,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287031143] [2021-12-28 05:05:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:05:07,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:05:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:05:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:05:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:05:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:05:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:05:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:05:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:05:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:05:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:05:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:05:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:05:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:05:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:05:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:05:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:05:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:05:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:05:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:05:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 05:05:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-28 05:05:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:05:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:05:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 05:05:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-28 05:05:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:08,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2021-12-28 05:05:08,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:05:08,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287031143] [2021-12-28 05:05:08,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287031143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:05:08,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:05:08,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:05:08,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51110049] [2021-12-28 05:05:08,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:05:08,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:05:08,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:05:08,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:05:08,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:05:08,536 INFO L87 Difference]: Start difference. First operand 29754 states and 41032 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 05:05:13,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:05:13,968 INFO L93 Difference]: Finished difference Result 62252 states and 86000 transitions. [2021-12-28 05:05:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:05:13,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2021-12-28 05:05:13,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:05:14,115 INFO L225 Difference]: With dead ends: 62252 [2021-12-28 05:05:14,116 INFO L226 Difference]: Without dead ends: 32535 [2021-12-28 05:05:14,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:05:14,208 INFO L933 BasicCegarLoop]: 4449 mSDtfsCounter, 3166 mSDsluCounter, 3723 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 8172 SdHoareTripleChecker+Invalid, 5271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:05:14,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 8172 Invalid, 5271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-28 05:05:14,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32535 states. [2021-12-28 05:05:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32535 to 31471. [2021-12-28 05:05:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31471 states, 21031 states have (on average 1.2483952260948123) internal successors, (26255), 21446 states have internal predecessors, (26255), 8524 states have call successors, (8524), 1915 states have call predecessors, (8524), 1915 states have return successors, (8524), 8396 states have call predecessors, (8524), 8524 states have call successors, (8524) [2021-12-28 05:05:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31471 states to 31471 states and 43303 transitions. [2021-12-28 05:05:15,476 INFO L78 Accepts]: Start accepts. Automaton has 31471 states and 43303 transitions. Word has length 276 [2021-12-28 05:05:15,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:05:15,477 INFO L470 AbstractCegarLoop]: Abstraction has 31471 states and 43303 transitions. [2021-12-28 05:05:15,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 05:05:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 31471 states and 43303 transitions. [2021-12-28 05:05:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-28 05:05:15,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:05:15,490 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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] [2021-12-28 05:05:15,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:05:15,491 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:05:15,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:05:15,491 INFO L85 PathProgramCache]: Analyzing trace with hash -597361833, now seen corresponding path program 1 times [2021-12-28 05:05:15,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:05:15,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702020190] [2021-12-28 05:05:15,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:05:15,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:05:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:05:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:05:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:05:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:05:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:05:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:05:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:05:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:05:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:05:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:05:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:05:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:05:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:05:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:05:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:05:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:05:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:05:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 05:05:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 05:05:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 05:05:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 05:05:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 05:05:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-28 05:05:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-28 05:05:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-28 05:05:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-28 05:05:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-28 05:05:16,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:05:16,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702020190] [2021-12-28 05:05:16,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702020190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:05:16,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:05:16,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:05:16,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146065793] [2021-12-28 05:05:16,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:05:16,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:05:16,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:05:16,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:05:16,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:05:16,032 INFO L87 Difference]: Start difference. First operand 31471 states and 43303 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)