./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.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 ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:04:38,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:04:38,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:04:38,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:04:38,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:04:38,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:04:38,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:04:38,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:04:38,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:04:38,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:04:38,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:04:38,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:04:38,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:04:38,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:04:38,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:04:38,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:04:38,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:04:38,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:04:38,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:04:38,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:04:38,519 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:04:38,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:04:38,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:04:38,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:04:38,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:04:38,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:04:38,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:04:38,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:04:38,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:04:38,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:04:38,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:04:38,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:04:38,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:04:38,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:04:38,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:04:38,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:04:38,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:04:38,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:04:38,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:04:38,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:04:38,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:04:38,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:04:38,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:04:38,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:04:38,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:04:38,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:04:38,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:04:38,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:04:38,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:04:38,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:04:38,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:04:38,577 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:04:38,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:04:38,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:04:38,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:04:38,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:04:38,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:04:38,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:04:38,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:04:38,579 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:04:38,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:04:38,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:04:38,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:04:38,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:04:38,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:04:38,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:04:38,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:04:38,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:04:38,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:04:38,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:04:38,581 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:04:38,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:04:38,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:04:38,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2022-07-23 00:04:38,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:04:38,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:04:38,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:04:38,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:04:38,810 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:04:38,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-07-23 00:04:38,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5209e16a0/c900efe314cc44858495c22b3b7a42f5/FLAG37576215e [2022-07-23 00:04:39,774 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:04:39,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-07-23 00:04:39,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5209e16a0/c900efe314cc44858495c22b3b7a42f5/FLAG37576215e [2022-07-23 00:04:40,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5209e16a0/c900efe314cc44858495c22b3b7a42f5 [2022-07-23 00:04:40,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:04:40,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:04:40,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:04:40,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:04:40,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:04:40,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:04:40" (1/1) ... [2022-07-23 00:04:40,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6355b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:40, skipping insertion in model container [2022-07-23 00:04:40,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:04:40" (1/1) ... [2022-07-23 00:04:40,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:04:40,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:04:41,321 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-23 00:04:41,322 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2022-07-23 00:04:41,652 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2022-07-23 00:04:43,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:04:43,890 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:04:43,972 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-23 00:04:43,972 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2022-07-23 00:04:43,976 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2022-07-23 00:04:44,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:04:44,434 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:04:44,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44 WrapperNode [2022-07-23 00:04:44,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:04:44,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:04:44,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:04:44,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:04:44,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:44,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:44,916 INFO L137 Inliner]: procedures = 437, calls = 4988, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 10313 [2022-07-23 00:04:44,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:04:44,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:04:44,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:04:44,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:04:44,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:44,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:45,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:45,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:45,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:45,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:45,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:45,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:04:45,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:04:45,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:04:45,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:04:45,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (1/1) ... [2022-07-23 00:04:45,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:04:45,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:04:45,452 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) [2022-07-23 00:04:45,473 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 [2022-07-23 00:04:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-23 00:04:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-23 00:04:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 00:04:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 00:04:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 00:04:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 00:04:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 00:04:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 00:04:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-23 00:04:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-23 00:04:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 00:04:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 00:04:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-23 00:04:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-23 00:04:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:04:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:04:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 00:04:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 00:04:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 00:04:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 00:04:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 00:04:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 00:04:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 00:04:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 00:04:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 00:04:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 00:04:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 00:04:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 00:04:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 00:04:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 00:04:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-23 00:04:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-23 00:04:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:04:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:04:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 00:04:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 00:04:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 00:04:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 00:04:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-23 00:04:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-23 00:04:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 00:04:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 00:04:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 00:04:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 00:04:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 00:04:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 00:04:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:04:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:04:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 00:04:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 00:04:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:04:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-23 00:04:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-23 00:04:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 00:04:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 00:04:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-23 00:04:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-23 00:04:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 00:04:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 00:04:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 00:04:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 00:04:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-23 00:04:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-23 00:04:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-23 00:04:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-23 00:04:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:04:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-23 00:04:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-23 00:04:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 00:04:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 00:04:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 00:04:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 00:04:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:04:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-23 00:04:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-23 00:04:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:04:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 00:04:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 00:04:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 00:04:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 00:04:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:04:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:04:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-23 00:04:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-23 00:04:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 00:04:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 00:04:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-23 00:04:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-23 00:04:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 00:04:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 00:04:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-23 00:04:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-23 00:04:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 00:04:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 00:04:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-23 00:04:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-23 00:04:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:04:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-23 00:04:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-23 00:04:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2022-07-23 00:04:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2022-07-23 00:04:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:04:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 00:04:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 00:04:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:04:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-23 00:04:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-23 00:04:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 00:04:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 00:04:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-23 00:04:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-23 00:04:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-23 00:04:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-23 00:04:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 00:04:45,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 00:04:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 00:04:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 00:04:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 00:04:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 00:04:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-23 00:04:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-23 00:04:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 00:04:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 00:04:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:04:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:04:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:04:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:04:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:04:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:04:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 00:04:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 00:04:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 00:04:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 00:04:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 00:04:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 00:04:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-23 00:04:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-23 00:04:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 00:04:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 00:04:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-23 00:04:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-23 00:04:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 00:04:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 00:04:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-23 00:04:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-23 00:04:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:04:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:04:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-23 00:04:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-23 00:04:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-23 00:04:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-23 00:04:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-23 00:04:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-23 00:04:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:04:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:04:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-23 00:04:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-23 00:04:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:04:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:04:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 00:04:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 00:04:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 00:04:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 00:04:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 00:04:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 00:04:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2022-07-23 00:04:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2022-07-23 00:04:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 00:04:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 00:04:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:04:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-23 00:04:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-23 00:04:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 00:04:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 00:04:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:04:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 00:04:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 00:04:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 00:04:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 00:04:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 00:04:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 00:04:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-23 00:04:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-23 00:04:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:04:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-23 00:04:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-23 00:04:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-23 00:04:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-23 00:04:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-23 00:04:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-23 00:04:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 00:04:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 00:04:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-23 00:04:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-23 00:04:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 00:04:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 00:04:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 00:04:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 00:04:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-23 00:04:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-23 00:04:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-07-23 00:04:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-07-23 00:04:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 00:04:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 00:04:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 00:04:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 00:04:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 00:04:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 00:04:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:04:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:04:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:04:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-23 00:04:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-23 00:04:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-23 00:04:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-23 00:04:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:04:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:04:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-23 00:04:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-23 00:04:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-23 00:04:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-23 00:04:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 00:04:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 00:04:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 00:04:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 00:04:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 00:04:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 00:04:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-23 00:04:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-23 00:04:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 00:04:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 00:04:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 00:04:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 00:04:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 00:04:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 00:04:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-23 00:04:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-23 00:04:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 00:04:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 00:04:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-23 00:04:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-23 00:04:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-23 00:04:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-23 00:04:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:04:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:04:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:04:46,445 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:04:46,449 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:04:47,196 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:04:53,985 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:04:54,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:04:54,013 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 00:04:54,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:04:54 BoogieIcfgContainer [2022-07-23 00:04:54,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:04:54,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:04:54,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:04:54,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:04:54,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:04:40" (1/3) ... [2022-07-23 00:04:54,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5da01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:04:54, skipping insertion in model container [2022-07-23 00:04:54,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:04:44" (2/3) ... [2022-07-23 00:04:54,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5da01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:04:54, skipping insertion in model container [2022-07-23 00:04:54,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:04:54" (3/3) ... [2022-07-23 00:04:54,027 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-07-23 00:04:54,039 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:04:54,041 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:04:54,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:04:54,161 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2630c631, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3c367267 [2022-07-23 00:04:54,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:04:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 3341 states, 2445 states have (on average 1.474437627811861) internal successors, (3605), 2539 states have internal predecessors, (3605), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) [2022-07-23 00:04:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-23 00:04:54,200 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:04:54,200 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-07-23 00:04:54,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:04:54,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:04:54,205 INFO L85 PathProgramCache]: Analyzing trace with hash 424466121, now seen corresponding path program 1 times [2022-07-23 00:04:54,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:04:54,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342166350] [2022-07-23 00:04:54,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:04:54,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:04:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:04:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:04:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:04:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:04:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:04:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:04:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:55,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 00:04:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 00:04:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-23 00:04:55,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:04:55,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342166350] [2022-07-23 00:04:55,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342166350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:04:55,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:04:55,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:04:55,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267519606] [2022-07-23 00:04:55,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:04:55,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:04:55,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:04:55,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:04:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:04:55,094 INFO L87 Difference]: Start difference. First operand has 3341 states, 2445 states have (on average 1.474437627811861) internal successors, (3605), 2539 states have internal predecessors, (3605), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 00:05:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:05:07,211 INFO L93 Difference]: Finished difference Result 9992 states and 15605 transitions. [2022-07-23 00:05:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:05:07,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-07-23 00:05:07,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:05:07,296 INFO L225 Difference]: With dead ends: 9992 [2022-07-23 00:05:07,297 INFO L226 Difference]: Without dead ends: 6609 [2022-07-23 00:05:07,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:05:07,328 INFO L413 NwaCegarLoop]: 5066 mSDtfsCounter, 7015 mSDsluCounter, 7245 mSDsCounter, 0 mSdLazyCounter, 6014 mSolverCounterSat, 4262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7535 SdHoareTripleChecker+Valid, 12311 SdHoareTripleChecker+Invalid, 10276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4262 IncrementalHoareTripleChecker+Valid, 6014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:05:07,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7535 Valid, 12311 Invalid, 10276 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4262 Valid, 6014 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2022-07-23 00:05:07,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-07-23 00:05:07,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6043. [2022-07-23 00:05:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6043 states, 4442 states have (on average 1.3847366051328232) internal successors, (6151), 4589 states have internal predecessors, (6151), 1386 states have call successors, (1386), 214 states have call predecessors, (1386), 214 states have return successors, (1389), 1321 states have call predecessors, (1389), 1385 states have call successors, (1389) [2022-07-23 00:05:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6043 states to 6043 states and 8926 transitions. [2022-07-23 00:05:07,800 INFO L78 Accepts]: Start accepts. Automaton has 6043 states and 8926 transitions. Word has length 71 [2022-07-23 00:05:07,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:05:07,801 INFO L495 AbstractCegarLoop]: Abstraction has 6043 states and 8926 transitions. [2022-07-23 00:05:07,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 00:05:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 8926 transitions. [2022-07-23 00:05:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 00:05:07,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:05:07,815 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:05:07,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:05:07,816 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:05:07,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:05:07,816 INFO L85 PathProgramCache]: Analyzing trace with hash -953532552, now seen corresponding path program 1 times [2022-07-23 00:05:07,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:05:07,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021154141] [2022-07-23 00:05:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:05:07,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:05:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:05:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:05:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:05:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:05:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:05:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:05:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 00:05:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 00:05:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:05:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 00:05:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 00:05:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 00:05:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 00:05:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-23 00:05:08,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:05:08,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021154141] [2022-07-23 00:05:08,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021154141] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:05:08,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:05:08,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:05:08,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145945699] [2022-07-23 00:05:08,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:05:08,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:05:08,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:05:08,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:05:08,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:05:08,442 INFO L87 Difference]: Start difference. First operand 6043 states and 8926 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 00:05:22,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:05:22,244 INFO L93 Difference]: Finished difference Result 12672 states and 18840 transitions. [2022-07-23 00:05:22,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 00:05:22,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2022-07-23 00:05:22,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:05:22,319 INFO L225 Difference]: With dead ends: 12672 [2022-07-23 00:05:22,319 INFO L226 Difference]: Without dead ends: 6640 [2022-07-23 00:05:22,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-07-23 00:05:22,349 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 7221 mSDsluCounter, 9642 mSDsCounter, 0 mSdLazyCounter, 7594 mSolverCounterSat, 3892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7745 SdHoareTripleChecker+Valid, 14182 SdHoareTripleChecker+Invalid, 11486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3892 IncrementalHoareTripleChecker+Valid, 7594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:05:22,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7745 Valid, 14182 Invalid, 11486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3892 Valid, 7594 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-07-23 00:05:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6640 states. [2022-07-23 00:05:22,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 6058. [2022-07-23 00:05:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6058 states, 4453 states have (on average 1.3833370761284527) internal successors, (6160), 4600 states have internal predecessors, (6160), 1387 states have call successors, (1387), 217 states have call predecessors, (1387), 217 states have return successors, (1390), 1322 states have call predecessors, (1390), 1386 states have call successors, (1390) [2022-07-23 00:05:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 8937 transitions. [2022-07-23 00:05:22,864 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 8937 transitions. Word has length 113 [2022-07-23 00:05:22,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:05:22,866 INFO L495 AbstractCegarLoop]: Abstraction has 6058 states and 8937 transitions. [2022-07-23 00:05:22,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 00:05:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 8937 transitions. [2022-07-23 00:05:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 00:05:22,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:05:22,877 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:05:22,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:05:22,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:05:22,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:05:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash 75826746, now seen corresponding path program 1 times [2022-07-23 00:05:22,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:05:22,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033281209] [2022-07-23 00:05:22,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:05:22,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:05:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:05:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:05:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:05:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:05:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:05:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:05:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 00:05:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 00:05:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:05:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 00:05:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 00:05:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 00:05:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 00:05:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-23 00:05:24,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:05:24,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033281209] [2022-07-23 00:05:24,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033281209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:05:24,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:05:24,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:05:24,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764226836] [2022-07-23 00:05:24,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:05:24,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:05:24,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:05:24,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:05:24,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:05:24,034 INFO L87 Difference]: Start difference. First operand 6058 states and 8937 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 00:05:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:05:34,433 INFO L93 Difference]: Finished difference Result 12339 states and 18337 transitions. [2022-07-23 00:05:34,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:05:34,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2022-07-23 00:05:34,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:05:34,497 INFO L225 Difference]: With dead ends: 12339 [2022-07-23 00:05:34,498 INFO L226 Difference]: Without dead ends: 6311 [2022-07-23 00:05:34,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:05:34,535 INFO L413 NwaCegarLoop]: 4159 mSDtfsCounter, 5847 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6309 SdHoareTripleChecker+Valid, 8711 SdHoareTripleChecker+Invalid, 7443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2701 IncrementalHoareTripleChecker+Valid, 4742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:05:34,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6309 Valid, 8711 Invalid, 7443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-07-23 00:05:34,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6311 states. [2022-07-23 00:05:35,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6311 to 5783. [2022-07-23 00:05:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 4278 states have (on average 1.3588125292192614) internal successors, (5813), 4425 states have internal predecessors, (5813), 1287 states have call successors, (1287), 217 states have call predecessors, (1287), 217 states have return successors, (1290), 1222 states have call predecessors, (1290), 1286 states have call successors, (1290) [2022-07-23 00:05:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 8390 transitions. [2022-07-23 00:05:35,085 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 8390 transitions. Word has length 113 [2022-07-23 00:05:35,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:05:35,087 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 8390 transitions. [2022-07-23 00:05:35,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 00:05:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 8390 transitions. [2022-07-23 00:05:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-23 00:05:35,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:05:35,098 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:05:35,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:05:35,099 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:05:35,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:05:35,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1870934641, now seen corresponding path program 1 times [2022-07-23 00:05:35,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:05:35,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155720676] [2022-07-23 00:05:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:05:35,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:05:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:05:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:05:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:05:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:05:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:05:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:05:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:05:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 00:05:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:05:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:05:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-23 00:05:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 00:05:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 00:05:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-23 00:05:35,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:05:35,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155720676] [2022-07-23 00:05:35,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155720676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:05:35,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:05:35,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:05:35,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679959154] [2022-07-23 00:05:35,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:05:35,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:05:35,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:05:35,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:05:35,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:05:35,758 INFO L87 Difference]: Start difference. First operand 5783 states and 8390 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-23 00:05:44,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:05:44,891 INFO L93 Difference]: Finished difference Result 7078 states and 10249 transitions. [2022-07-23 00:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 00:05:44,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 108 [2022-07-23 00:05:44,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:05:44,943 INFO L225 Difference]: With dead ends: 7078 [2022-07-23 00:05:44,943 INFO L226 Difference]: Without dead ends: 7075 [2022-07-23 00:05:44,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-23 00:05:44,952 INFO L413 NwaCegarLoop]: 4491 mSDtfsCounter, 6909 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 3829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7328 SdHoareTripleChecker+Valid, 8334 SdHoareTripleChecker+Invalid, 7778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3829 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:05:44,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7328 Valid, 8334 Invalid, 7778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3829 Valid, 3949 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-23 00:05:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2022-07-23 00:05:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 6413. [2022-07-23 00:05:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6413 states, 4727 states have (on average 1.3501163528665114) internal successors, (6382), 4882 states have internal predecessors, (6382), 1412 states have call successors, (1412), 273 states have call predecessors, (1412), 273 states have return successors, (1425), 1341 states have call predecessors, (1425), 1411 states have call successors, (1425) [2022-07-23 00:05:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6413 states to 6413 states and 9219 transitions. [2022-07-23 00:05:45,629 INFO L78 Accepts]: Start accepts. Automaton has 6413 states and 9219 transitions. Word has length 108 [2022-07-23 00:05:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:05:45,629 INFO L495 AbstractCegarLoop]: Abstraction has 6413 states and 9219 transitions. [2022-07-23 00:05:45,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-23 00:05:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 6413 states and 9219 transitions. [2022-07-23 00:05:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-23 00:05:45,642 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:05:45,642 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:05:45,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:05:45,643 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:05:45,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:05:45,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1148926766, now seen corresponding path program 1 times [2022-07-23 00:05:45,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:05:45,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105074645] [2022-07-23 00:05:45,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:05:45,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:05:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:05:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:05:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:05:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:05:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:05:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:05:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 00:05:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 00:05:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 00:05:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:05:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 00:05:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:05:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:05:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 00:05:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:05:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:05:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 00:05:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:05:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 00:05:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 00:05:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 00:05:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:05:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:05:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-23 00:05:46,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:05:46,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105074645] [2022-07-23 00:05:46,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105074645] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:05:46,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:05:46,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:05:46,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852859245] [2022-07-23 00:05:46,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:05:46,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:05:46,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:05:46,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:05:46,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:05:46,248 INFO L87 Difference]: Start difference. First operand 6413 states and 9219 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 00:06:07,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:06:07,731 INFO L93 Difference]: Finished difference Result 23358 states and 34567 transitions. [2022-07-23 00:06:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 00:06:07,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2022-07-23 00:06:07,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:06:07,820 INFO L225 Difference]: With dead ends: 23358 [2022-07-23 00:06:07,820 INFO L226 Difference]: Without dead ends: 16975 [2022-07-23 00:06:07,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-07-23 00:06:07,852 INFO L413 NwaCegarLoop]: 5046 mSDtfsCounter, 14739 mSDsluCounter, 10058 mSDsCounter, 0 mSdLazyCounter, 16689 mSolverCounterSat, 10364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15241 SdHoareTripleChecker+Valid, 15104 SdHoareTripleChecker+Invalid, 27053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10364 IncrementalHoareTripleChecker+Valid, 16689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:06:07,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15241 Valid, 15104 Invalid, 27053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10364 Valid, 16689 Invalid, 0 Unknown, 0 Unchecked, 20.5s Time] [2022-07-23 00:06:07,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16975 states. [2022-07-23 00:06:08,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16975 to 11111. [2022-07-23 00:06:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11111 states, 8144 states have (on average 1.3461444007858545) internal successors, (10963), 8414 states have internal predecessors, (10963), 2480 states have call successors, (2480), 478 states have call predecessors, (2480), 486 states have return successors, (2545), 2357 states have call predecessors, (2545), 2479 states have call successors, (2545) [2022-07-23 00:06:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11111 states to 11111 states and 15988 transitions. [2022-07-23 00:06:08,671 INFO L78 Accepts]: Start accepts. Automaton has 11111 states and 15988 transitions. Word has length 156 [2022-07-23 00:06:08,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:06:08,672 INFO L495 AbstractCegarLoop]: Abstraction has 11111 states and 15988 transitions. [2022-07-23 00:06:08,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 00:06:08,673 INFO L276 IsEmpty]: Start isEmpty. Operand 11111 states and 15988 transitions. [2022-07-23 00:06:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-23 00:06:08,695 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:06:08,696 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:06:08,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:06:08,696 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:06:08,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:06:08,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1303670089, now seen corresponding path program 1 times [2022-07-23 00:06:08,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:06:08,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622015173] [2022-07-23 00:06:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:06:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:06:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:06:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:06:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:06:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:06:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:06:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:06:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:06:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 00:06:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 00:06:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:06:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 00:06:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:06:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:06:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:06:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 00:06:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 00:06:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 00:06:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:06:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 00:06:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 00:06:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:06:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 00:06:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:06:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:06:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:06:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 00:06:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-07-23 00:06:09,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:06:09,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622015173] [2022-07-23 00:06:09,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622015173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:06:09,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:06:09,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:06:09,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032744344] [2022-07-23 00:06:09,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:06:09,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:06:09,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:06:09,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:06:09,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:06:09,174 INFO L87 Difference]: Start difference. First operand 11111 states and 15988 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 00:06:26,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:06:26,497 INFO L93 Difference]: Finished difference Result 35512 states and 52493 transitions. [2022-07-23 00:06:26,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 00:06:26,498 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 193 [2022-07-23 00:06:26,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:06:26,623 INFO L225 Difference]: With dead ends: 35512 [2022-07-23 00:06:26,623 INFO L226 Difference]: Without dead ends: 24431 [2022-07-23 00:06:26,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-07-23 00:06:26,673 INFO L413 NwaCegarLoop]: 6518 mSDtfsCounter, 14112 mSDsluCounter, 9742 mSDsCounter, 0 mSdLazyCounter, 14018 mSolverCounterSat, 11563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14692 SdHoareTripleChecker+Valid, 16260 SdHoareTripleChecker+Invalid, 25581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11563 IncrementalHoareTripleChecker+Valid, 14018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:06:26,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14692 Valid, 16260 Invalid, 25581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11563 Valid, 14018 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-07-23 00:06:26,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24431 states. [2022-07-23 00:06:27,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24431 to 15700. [2022-07-23 00:06:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15700 states, 11470 states have (on average 1.3437663469921535) internal successors, (15413), 11850 states have internal predecessors, (15413), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-23 00:06:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 22563 transitions. [2022-07-23 00:06:27,817 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 22563 transitions. Word has length 193 [2022-07-23 00:06:27,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:06:27,817 INFO L495 AbstractCegarLoop]: Abstraction has 15700 states and 22563 transitions. [2022-07-23 00:06:27,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 00:06:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 22563 transitions. [2022-07-23 00:06:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-23 00:06:27,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:06:27,849 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:06:27,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:06:27,849 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:06:27,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:06:27,850 INFO L85 PathProgramCache]: Analyzing trace with hash -763262659, now seen corresponding path program 1 times [2022-07-23 00:06:27,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:06:27,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811334439] [2022-07-23 00:06:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:06:27,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:06:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:06:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:06:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:06:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:06:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:06:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:06:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:06:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 00:06:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 00:06:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 00:06:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 00:06:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:06:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:06:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 00:06:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:06:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 00:06:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 00:06:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:06:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 00:06:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 00:06:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 00:06:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:06:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:06:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 00:06:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:06:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 00:06:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-23 00:06:28,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:06:28,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811334439] [2022-07-23 00:06:28,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811334439] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:06:28,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:06:28,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:06:28,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142997816] [2022-07-23 00:06:28,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:06:28,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:06:28,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:06:28,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:06:28,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:06:28,315 INFO L87 Difference]: Start difference. First operand 15700 states and 22563 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 00:06:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:06:51,263 INFO L93 Difference]: Finished difference Result 48723 states and 71990 transitions. [2022-07-23 00:06:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 00:06:51,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 201 [2022-07-23 00:06:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:06:51,420 INFO L225 Difference]: With dead ends: 48723 [2022-07-23 00:06:51,420 INFO L226 Difference]: Without dead ends: 33053 [2022-07-23 00:06:51,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-07-23 00:06:51,490 INFO L413 NwaCegarLoop]: 7848 mSDtfsCounter, 12150 mSDsluCounter, 17340 mSDsCounter, 0 mSdLazyCounter, 22217 mSolverCounterSat, 9904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12613 SdHoareTripleChecker+Valid, 25188 SdHoareTripleChecker+Invalid, 32121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9904 IncrementalHoareTripleChecker+Valid, 22217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:06:51,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12613 Valid, 25188 Invalid, 32121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9904 Valid, 22217 Invalid, 0 Unknown, 0 Unchecked, 21.0s Time] [2022-07-23 00:06:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33053 states. [2022-07-23 00:06:52,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33053 to 15704. [2022-07-23 00:06:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15704 states, 11474 states have (on average 1.3436465051420603) internal successors, (15417), 11854 states have internal predecessors, (15417), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-23 00:06:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15704 states to 15704 states and 22567 transitions. [2022-07-23 00:06:52,870 INFO L78 Accepts]: Start accepts. Automaton has 15704 states and 22567 transitions. Word has length 201 [2022-07-23 00:06:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:06:52,870 INFO L495 AbstractCegarLoop]: Abstraction has 15704 states and 22567 transitions. [2022-07-23 00:06:52,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 00:06:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 15704 states and 22567 transitions. [2022-07-23 00:06:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-23 00:06:52,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:06:52,902 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:06:52,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:06:52,903 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:06:52,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:06:52,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1339167325, now seen corresponding path program 1 times [2022-07-23 00:06:52,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:06:52,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973723013] [2022-07-23 00:06:52,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:06:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:06:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:06:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:06:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:06:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:06:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:06:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:06:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:06:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 00:06:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 00:06:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:06:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 00:06:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:06:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 00:06:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:06:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 00:06:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:06:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 00:06:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 00:06:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 00:06:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 00:06:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 00:06:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 00:06:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:06:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 00:06:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 00:06:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:06:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:06:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:06:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-23 00:06:53,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:06:53,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973723013] [2022-07-23 00:06:53,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973723013] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:06:53,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:06:53,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:06:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909022899] [2022-07-23 00:06:53,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:06:53,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:06:53,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:06:53,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:06:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:06:53,351 INFO L87 Difference]: Start difference. First operand 15704 states and 22567 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 00:07:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:07:10,244 INFO L93 Difference]: Finished difference Result 42760 states and 63722 transitions. [2022-07-23 00:07:10,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 00:07:10,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 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 218 [2022-07-23 00:07:10,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:07:10,369 INFO L225 Difference]: With dead ends: 42760 [2022-07-23 00:07:10,369 INFO L226 Difference]: Without dead ends: 27086 [2022-07-23 00:07:10,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:07:10,420 INFO L413 NwaCegarLoop]: 4951 mSDtfsCounter, 8596 mSDsluCounter, 14240 mSDsCounter, 0 mSdLazyCounter, 16019 mSolverCounterSat, 5563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8992 SdHoareTripleChecker+Valid, 19191 SdHoareTripleChecker+Invalid, 21582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5563 IncrementalHoareTripleChecker+Valid, 16019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:07:10,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8992 Valid, 19191 Invalid, 21582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5563 Valid, 16019 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-07-23 00:07:10,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27086 states. [2022-07-23 00:07:11,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27086 to 15708. [2022-07-23 00:07:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15708 states, 11478 states have (on average 1.3435267468200034) internal successors, (15421), 11858 states have internal predecessors, (15421), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-23 00:07:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 22571 transitions. [2022-07-23 00:07:11,506 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 22571 transitions. Word has length 218 [2022-07-23 00:07:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:07:11,507 INFO L495 AbstractCegarLoop]: Abstraction has 15708 states and 22571 transitions. [2022-07-23 00:07:11,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 00:07:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 22571 transitions. [2022-07-23 00:07:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-23 00:07:11,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:07:11,538 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:07:11,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 00:07:11,538 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:07:11,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:07:11,539 INFO L85 PathProgramCache]: Analyzing trace with hash 754395675, now seen corresponding path program 1 times [2022-07-23 00:07:11,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:07:11,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509894299] [2022-07-23 00:07:11,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:07:11,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:07:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:07:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:07:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:07:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:07:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:07:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:07:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:07:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 00:07:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 00:07:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:07:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 00:07:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:07:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 00:07:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:07:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 00:07:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:07:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 00:07:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 00:07:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 00:07:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 00:07:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 00:07:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 00:07:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:07:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 00:07:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 00:07:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:07:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:07:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-23 00:07:12,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:07:12,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509894299] [2022-07-23 00:07:12,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509894299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:07:12,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:07:12,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:07:12,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589412682] [2022-07-23 00:07:12,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:07:12,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:07:12,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:07:12,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:07:12,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:07:12,013 INFO L87 Difference]: Start difference. First operand 15708 states and 22571 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 00:07:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:07:38,071 INFO L93 Difference]: Finished difference Result 49140 states and 72757 transitions. [2022-07-23 00:07:38,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 00:07:38,072 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 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 218 [2022-07-23 00:07:38,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:07:38,200 INFO L225 Difference]: With dead ends: 49140 [2022-07-23 00:07:38,200 INFO L226 Difference]: Without dead ends: 33462 [2022-07-23 00:07:38,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-07-23 00:07:38,250 INFO L413 NwaCegarLoop]: 8082 mSDtfsCounter, 13265 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 21678 mSolverCounterSat, 11332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13844 SdHoareTripleChecker+Valid, 26004 SdHoareTripleChecker+Invalid, 33010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11332 IncrementalHoareTripleChecker+Valid, 21678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:07:38,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13844 Valid, 26004 Invalid, 33010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11332 Valid, 21678 Invalid, 0 Unknown, 0 Unchecked, 23.8s Time] [2022-07-23 00:07:38,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33462 states. [2022-07-23 00:07:39,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33462 to 15706. [2022-07-23 00:07:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15706 states, 11476 states have (on average 1.3434994771697455) internal successors, (15418), 11856 states have internal predecessors, (15418), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-23 00:07:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15706 states to 15706 states and 22568 transitions. [2022-07-23 00:07:39,353 INFO L78 Accepts]: Start accepts. Automaton has 15706 states and 22568 transitions. Word has length 218 [2022-07-23 00:07:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:07:39,353 INFO L495 AbstractCegarLoop]: Abstraction has 15706 states and 22568 transitions. [2022-07-23 00:07:39,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 00:07:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 15706 states and 22568 transitions. [2022-07-23 00:07:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-23 00:07:39,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:07:39,393 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:07:39,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 00:07:39,394 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:07:39,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:07:39,394 INFO L85 PathProgramCache]: Analyzing trace with hash -899968575, now seen corresponding path program 1 times [2022-07-23 00:07:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:07:39,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049496084] [2022-07-23 00:07:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:07:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:07:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:07:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:07:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:07:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:07:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 00:07:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 00:07:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:07:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 00:07:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 00:07:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:07:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 00:07:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:07:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 00:07:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 00:07:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:07:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:07:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 00:07:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 00:07:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:07:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 00:07:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:07:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:07:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:07:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:07:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:07:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:07:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 00:07:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 00:07:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:07:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:07:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:07:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:39,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 00:07:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 00:07:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 00:07:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 00:07:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:07:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 00:07:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 00:07:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 00:07:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 00:07:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 00:07:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 00:07:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:07:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 00:07:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:07:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 00:07:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:07:40,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049496084] [2022-07-23 00:07:40,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049496084] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:07:40,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:07:40,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 00:07:40,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549215413] [2022-07-23 00:07:40,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:07:40,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:07:40,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:07:40,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:07:40,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:07:40,084 INFO L87 Difference]: Start difference. First operand 15706 states and 22568 transitions. Second operand has 11 states, 11 states have (on average 21.363636363636363) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (48), 10 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 00:07:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:07:48,326 INFO L93 Difference]: Finished difference Result 21970 states and 32000 transitions. [2022-07-23 00:07:48,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 00:07:48,327 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.363636363636363) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (48), 10 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 387 [2022-07-23 00:07:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:07:48,330 INFO L225 Difference]: With dead ends: 21970 [2022-07-23 00:07:48,330 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 00:07:48,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:07:48,371 INFO L413 NwaCegarLoop]: 2021 mSDtfsCounter, 7728 mSDsluCounter, 3949 mSDsCounter, 0 mSdLazyCounter, 7003 mSolverCounterSat, 6584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7941 SdHoareTripleChecker+Valid, 5970 SdHoareTripleChecker+Invalid, 13587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6584 IncrementalHoareTripleChecker+Valid, 7003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:07:48,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7941 Valid, 5970 Invalid, 13587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6584 Valid, 7003 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-07-23 00:07:48,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 00:07:48,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 00:07:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 00:07:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 00:07:48,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2022-07-23 00:07:48,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:07:48,377 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 00:07:48,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.363636363636363) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (48), 10 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 00:07:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 00:07:48,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 00:07:48,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 00:07:48,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 00:07:48,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.