./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73f2068ebecd267166c2d24f656fc1164bd021977ce12d612bec590cb9866503 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:28:36,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:28:36,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:28:36,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:28:36,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:28:36,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:28:36,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:28:36,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:28:36,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:28:36,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:28:36,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:28:36,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:28:36,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:28:36,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:28:36,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:28:36,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:28:36,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:28:36,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:28:36,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:28:36,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:28:36,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:28:36,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:28:36,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:28:36,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:28:36,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:28:36,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:28:36,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:28:36,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:28:36,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:28:36,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:28:36,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:28:36,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:28:36,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:28:36,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:28:36,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:28:36,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:28:36,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:28:36,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:28:36,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:28:36,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:28:36,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:28:36,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:28:36,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:28:36,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:28:36,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:28:36,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:28:36,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:28:36,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:28:36,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:28:36,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:28:36,595 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:28:36,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:28:36,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:28:36,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:28:36,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:28:36,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:28:36,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:28:36,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:28:36,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:28:36,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:28:36,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:28:36,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:28:36,598 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:28:36,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:28:36,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:28:36,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f2068ebecd267166c2d24f656fc1164bd021977ce12d612bec590cb9866503 [2021-12-28 04:28:36,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:28:36,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:28:36,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:28:36,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:28:36,880 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:28:36,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2021-12-28 04:28:36,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbbe8a42/a782c071c5104d88a87e2d438a911306/FLAG012692d5d [2021-12-28 04:28:37,615 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:28:37,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2021-12-28 04:28:37,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbbe8a42/a782c071c5104d88a87e2d438a911306/FLAG012692d5d [2021-12-28 04:28:37,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbbe8a42/a782c071c5104d88a87e2d438a911306 [2021-12-28 04:28:37,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:28:37,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:28:37,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:28:37,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:28:37,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:28:37,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:28:37" (1/1) ... [2021-12-28 04:28:37,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4763fce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:37, skipping insertion in model container [2021-12-28 04:28:37,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:28:37" (1/1) ... [2021-12-28 04:28:37,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:28:38,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:28:40,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i[381779,381792] [2021-12-28 04:28:40,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:28:40,381 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:28:40,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i[381779,381792] [2021-12-28 04:28:40,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:28:41,010 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:28:41,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41 WrapperNode [2021-12-28 04:28:41,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:28:41,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:28:41,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:28:41,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:28:41,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,278 INFO L137 Inliner]: procedures = 473, calls = 3863, calls flagged for inlining = 218, calls inlined = 198, statements flattened = 7207 [2021-12-28 04:28:41,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:28:41,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:28:41,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:28:41,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:28:41,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:28:41,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:28:41,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:28:41,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:28:41,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (1/1) ... [2021-12-28 04:28:41,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:28:41,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:28:41,608 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 04:28:41,615 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 04:28:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-28 04:28:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-28 04:28:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:28:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:28:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:28:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:28:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:28:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:28:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-28 04:28:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-28 04:28:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-28 04:28:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-28 04:28:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-28 04:28:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-28 04:28:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-28 04:28:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-28 04:28:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-28 04:28:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-28 04:28:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-28 04:28:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-28 04:28:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 04:28:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 04:28:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-28 04:28:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-28 04:28:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:28:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:28:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:28:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:28:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure alx_link_check [2021-12-28 04:28:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_link_check [2021-12-28 04:28:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-28 04:28:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-28 04:28:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-28 04:28:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-28 04:28:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:28:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:28:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-28 04:28:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-28 04:28:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-28 04:28:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-28 04:28:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:28:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:28:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:28:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:28:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:28:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:28:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-28 04:28:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-28 04:28:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:28:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:28:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-28 04:28:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-28 04:28:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 04:28:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 04:28:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:28:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:28:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:28:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-28 04:28:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-28 04:28:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 04:28:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 04:28:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 04:28:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 04:28:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-28 04:28:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-28 04:28:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-28 04:28:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-28 04:28:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-28 04:28:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:28:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:28:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:28:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:28:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_detected [2021-12-28 04:28:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_detected [2021-12-28 04:28:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:28:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-28 04:28:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-28 04:28:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:28:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:28:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-28 04:28:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-28 04:28:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:28:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:28:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:28:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-28 04:28:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-28 04:28:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure alx_change_mtu [2021-12-28 04:28:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_change_mtu [2021-12-28 04:28:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:28:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:28:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:28:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:28:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:28:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-28 04:28:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-28 04:28:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-28 04:28:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-28 04:28:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-28 04:28:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-28 04:28:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:28:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:28:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-28 04:28:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-28 04:28:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-28 04:28:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-28 04:28:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:28:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:28:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset [2021-12-28 04:28:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset [2021-12-28 04:28:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:28:41,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:28:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:28:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-28 04:28:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-28 04:28:41,650 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-28 04:28:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 04:28:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 04:28:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-28 04:28:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-28 04:28:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-28 04:28:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-28 04:28:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:28:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 04:28:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 04:28:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:28:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:28:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:28:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:28:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-28 04:28:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-28 04:28:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-28 04:28:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-28 04:28:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-28 04:28:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-28 04:28:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_stats64 [2021-12-28 04:28:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_stats64 [2021-12-28 04:28:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-28 04:28:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-28 04:28:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-28 04:28:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-28 04:28:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-28 04:28:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-28 04:28:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-28 04:28:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-28 04:28:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-28 04:28:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-28 04:28:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:28:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:28:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:28:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:28:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:28:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:28:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-28 04:28:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-28 04:28:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-28 04:28:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-28 04:28:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-28 04:28:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-28 04:28:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:28:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:28:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-28 04:28:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-28 04:28:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:28:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:28:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:28:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:28:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-28 04:28:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-28 04:28:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:28:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:28:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:28:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:28:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-28 04:28:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-28 04:28:41,661 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 04:28:41,661 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 04:28:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_mac_address [2021-12-28 04:28:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_mac_address [2021-12-28 04:28:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 04:28:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 04:28:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:28:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:28:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 04:28:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-28 04:28:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-28 04:28:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:28:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:28:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-28 04:28:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-28 04:28:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2021-12-28 04:28:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2021-12-28 04:28:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:28:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:28:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-28 04:28:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-28 04:28:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-28 04:28:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-28 04:28:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:28:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:28:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-28 04:28:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-28 04:28:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-28 04:28:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-28 04:28:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-28 04:28:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-28 04:28:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-28 04:28:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-28 04:28:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:28:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:28:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:28:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:28:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 04:28:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 04:28:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:28:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:28:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:28:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:28:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:28:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-28 04:28:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-28 04:28:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-28 04:28:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-28 04:28:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 04:28:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 04:28:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-28 04:28:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-28 04:28:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:28:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:28:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:28:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:28:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:28:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_slot_reset [2021-12-28 04:28:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_slot_reset [2021-12-28 04:28:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:28:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-28 04:28:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-28 04:28:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-28 04:28:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-28 04:28:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-28 04:28:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-28 04:28:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure alx_ioctl [2021-12-28 04:28:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_ioctl [2021-12-28 04:28:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:28:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:28:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 04:28:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 04:28:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 04:28:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 04:28:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:28:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:28:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:28:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:28:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure alx_fix_features [2021-12-28 04:28:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_fix_features [2021-12-28 04:28:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:28:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:28:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-28 04:28:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-28 04:28:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:28:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:28:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-28 04:28:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-28 04:28:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:28:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:28:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-28 04:28:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-28 04:28:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:28:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-28 04:28:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-28 04:28:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:28:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:28:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-28 04:28:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-28 04:28:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-28 04:28:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-28 04:28:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-28 04:28:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-28 04:28:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-28 04:28:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-28 04:28:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:28:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:28:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-28 04:28:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-28 04:28:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 04:28:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 04:28:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-28 04:28:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-28 04:28:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-28 04:28:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-28 04:28:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-28 04:28:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-28 04:28:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-28 04:28:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-28 04:28:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:28:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:28:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-28 04:28:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-28 04:28:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-28 04:28:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-28 04:28:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-28 04:28:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-28 04:28:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 04:28:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 04:28:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-28 04:28:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-28 04:28:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:28:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:28:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-28 04:28:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-28 04:28:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-28 04:28:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-28 04:28:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-28 04:28:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-28 04:28:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:28:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:28:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 04:28:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 04:28:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:28:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:28:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:28:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-28 04:28:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-28 04:28:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-28 04:28:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-28 04:28:42,365 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:28:42,370 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:28:42,475 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:28:50,403 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:28:50,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:28:50,428 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:28:50,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:28:50 BoogieIcfgContainer [2021-12-28 04:28:50,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:28:50,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:28:50,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:28:50,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:28:50,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:28:37" (1/3) ... [2021-12-28 04:28:50,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606cca48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:28:50, skipping insertion in model container [2021-12-28 04:28:50,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:41" (2/3) ... [2021-12-28 04:28:50,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606cca48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:28:50, skipping insertion in model container [2021-12-28 04:28:50,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:28:50" (3/3) ... [2021-12-28 04:28:50,436 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2021-12-28 04:28:50,440 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:28:50,440 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:28:50,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:28:50,483 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 04:28:50,483 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:28:50,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 2605 states, 1756 states have (on average 1.3314350797266514) internal successors, (2338), 1805 states have internal predecessors, (2338), 697 states have call successors, (697), 152 states have call predecessors, (697), 151 states have return successors, (684), 675 states have call predecessors, (684), 684 states have call successors, (684) [2021-12-28 04:28:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-28 04:28:50,561 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:28:50,562 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:28:50,562 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:28:50,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:28:50,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1674508748, now seen corresponding path program 1 times [2021-12-28 04:28:50,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:28:50,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55382327] [2021-12-28 04:28:50,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:28:50,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:28:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:28:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:28:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:28:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:28:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:28:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:28:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 04:28:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:28:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:28:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:28:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-12-28 04:28:51,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:28:51,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55382327] [2021-12-28 04:28:51,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55382327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:28:51,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:28:51,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:28:51,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173022079] [2021-12-28 04:28:51,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:28:51,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:28:51,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:28:51,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:28:51,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:28:51,453 INFO L87 Difference]: Start difference. First operand has 2605 states, 1756 states have (on average 1.3314350797266514) internal successors, (2338), 1805 states have internal predecessors, (2338), 697 states have call successors, (697), 152 states have call predecessors, (697), 151 states have return successors, (684), 675 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 04:28:54,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:28:58,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:28:58,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:28:58,679 INFO L93 Difference]: Finished difference Result 5477 states and 7944 transitions. [2021-12-28 04:28:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:28:58,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 159 [2021-12-28 04:28:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:28:58,710 INFO L225 Difference]: With dead ends: 5477 [2021-12-28 04:28:58,711 INFO L226 Difference]: Without dead ends: 2848 [2021-12-28 04:28:58,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:28:58,729 INFO L933 BasicCegarLoop]: 3454 mSDtfsCounter, 2511 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 2935 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 4972 SdHoareTripleChecker+Invalid, 4119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:28:58,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2558 Valid, 4972 Invalid, 4119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2935 Valid, 1183 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-12-28 04:28:58,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2021-12-28 04:28:58,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2573. [2021-12-28 04:28:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 1739 states have (on average 1.3214491086831512) internal successors, (2298), 1772 states have internal predecessors, (2298), 683 states have call successors, (683), 151 states have call predecessors, (683), 150 states have return successors, (682), 673 states have call predecessors, (682), 682 states have call successors, (682) [2021-12-28 04:28:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3663 transitions. [2021-12-28 04:28:58,894 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3663 transitions. Word has length 159 [2021-12-28 04:28:58,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:28:58,895 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 3663 transitions. [2021-12-28 04:28:58,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 04:28:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3663 transitions. [2021-12-28 04:28:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-28 04:28:58,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:28:58,901 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:28:58,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:28:58,901 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:28:58,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:28:58,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1384403330, now seen corresponding path program 1 times [2021-12-28 04:28:58,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:28:58,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213073031] [2021-12-28 04:28:58,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:28:58,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:28:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:28:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:28:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:28:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:28:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:28:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:28:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 04:28:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:28:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:28:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:28:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-12-28 04:28:59,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:28:59,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213073031] [2021-12-28 04:28:59,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213073031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:28:59,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:28:59,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:28:59,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064216964] [2021-12-28 04:28:59,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:28:59,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:28:59,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:28:59,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:28:59,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:28:59,331 INFO L87 Difference]: Start difference. First operand 2573 states and 3663 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 04:29:02,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:04,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:11,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:15,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:16,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:29:16,612 INFO L93 Difference]: Finished difference Result 7887 states and 11340 transitions. [2021-12-28 04:29:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:29:16,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 159 [2021-12-28 04:29:16,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:29:16,639 INFO L225 Difference]: With dead ends: 7887 [2021-12-28 04:29:16,639 INFO L226 Difference]: Without dead ends: 5337 [2021-12-28 04:29:16,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:29:16,651 INFO L933 BasicCegarLoop]: 3924 mSDtfsCounter, 5806 mSDsluCounter, 5090 mSDsCounter, 0 mSdLazyCounter, 4782 mSolverCounterSat, 4060 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6220 SdHoareTripleChecker+Valid, 9014 SdHoareTripleChecker+Invalid, 8846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4060 IncrementalHoareTripleChecker+Valid, 4782 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:29:16,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6220 Valid, 9014 Invalid, 8846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4060 Valid, 4782 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2021-12-28 04:29:16,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2021-12-28 04:29:16,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 4794. [2021-12-28 04:29:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 3237 states have (on average 1.321902996601792) internal successors, (4279), 3304 states have internal predecessors, (4279), 1269 states have call successors, (1269), 288 states have call predecessors, (1269), 287 states have return successors, (1268), 1247 states have call predecessors, (1268), 1268 states have call successors, (1268) [2021-12-28 04:29:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6816 transitions. [2021-12-28 04:29:16,827 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6816 transitions. Word has length 159 [2021-12-28 04:29:16,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:29:16,829 INFO L470 AbstractCegarLoop]: Abstraction has 4794 states and 6816 transitions. [2021-12-28 04:29:16,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 04:29:16,829 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6816 transitions. [2021-12-28 04:29:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-28 04:29:16,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:29:16,838 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:29:16,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:29:16,839 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:29:16,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:29:16,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1047828308, now seen corresponding path program 1 times [2021-12-28 04:29:16,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:29:16,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421359241] [2021-12-28 04:29:16,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:29:16,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:29:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:29:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:29:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:29:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:29:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:29:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:29:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 04:29:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:29:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:29:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:29:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:29:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:29:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:29:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 04:29:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:29:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 04:29:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 04:29:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 04:29:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:29:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 04:29:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:29:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 04:29:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-28 04:29:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-12-28 04:29:17,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:17,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421359241] [2021-12-28 04:29:17,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421359241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:17,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:17,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:29:17,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484509882] [2021-12-28 04:29:17,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:17,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:29:17,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:29:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:29:17,555 INFO L87 Difference]: Start difference. First operand 4794 states and 6816 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:29:20,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:24,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:32,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:33,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:29:33,166 INFO L93 Difference]: Finished difference Result 15202 states and 21828 transitions. [2021-12-28 04:29:33,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:29:33,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 244 [2021-12-28 04:29:33,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:29:33,216 INFO L225 Difference]: With dead ends: 15202 [2021-12-28 04:29:33,216 INFO L226 Difference]: Without dead ends: 10431 [2021-12-28 04:29:33,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:29:33,239 INFO L933 BasicCegarLoop]: 4153 mSDtfsCounter, 6028 mSDsluCounter, 4988 mSDsCounter, 0 mSdLazyCounter, 5168 mSolverCounterSat, 4136 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6479 SdHoareTripleChecker+Valid, 9141 SdHoareTripleChecker+Invalid, 9306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4136 IncrementalHoareTripleChecker+Valid, 5168 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:29:33,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6479 Valid, 9141 Invalid, 9306 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4136 Valid, 5168 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-12-28 04:29:33,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10431 states. [2021-12-28 04:29:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10431 to 9380. [2021-12-28 04:29:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9380 states, 6341 states have (on average 1.3214004100299637) internal successors, (8379), 6471 states have internal predecessors, (8379), 2470 states have call successors, (2470), 569 states have call predecessors, (2470), 568 states have return successors, (2469), 2425 states have call predecessors, (2469), 2469 states have call successors, (2469) [2021-12-28 04:29:33,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 13318 transitions. [2021-12-28 04:29:33,598 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 13318 transitions. Word has length 244 [2021-12-28 04:29:33,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:29:33,599 INFO L470 AbstractCegarLoop]: Abstraction has 9380 states and 13318 transitions. [2021-12-28 04:29:33,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:29:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 13318 transitions. [2021-12-28 04:29:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-12-28 04:29:33,613 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:29:33,613 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:29:33,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:29:33,613 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:29:33,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:29:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2065086585, now seen corresponding path program 1 times [2021-12-28 04:29:33,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:29:33,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266679841] [2021-12-28 04:29:33,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:29:33,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:29:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:29:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:29:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:29:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:29:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:29:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:29:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 04:29:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:29:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:29:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:29:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:29:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:29:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-28 04:29:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:29:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-28 04:29:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-28 04:29:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-28 04:29:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-28 04:29:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-28 04:29:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-28 04:29:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-28 04:29:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-28 04:29:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-28 04:29:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-28 04:29:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-28 04:29:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-28 04:29:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-28 04:29:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-28 04:29:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-28 04:29:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2021-12-28 04:29:34,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:34,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266679841] [2021-12-28 04:29:34,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266679841] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:34,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:34,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:29:34,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672670251] [2021-12-28 04:29:34,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:34,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:29:34,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:34,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:29:34,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:29:34,358 INFO L87 Difference]: Start difference. First operand 9380 states and 13318 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-28 04:29:39,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []