./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 02:41:46,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:41:46,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:41:46,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:41:46,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:41:46,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:41:46,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:41:46,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:41:46,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:41:46,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:41:46,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:41:46,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:41:46,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:41:46,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:41:46,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:41:46,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:41:46,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:41:46,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:41:46,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:41:46,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:41:46,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:41:46,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:41:46,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:41:46,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:41:46,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:41:46,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:41:46,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:41:46,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:41:46,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:41:46,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:41:46,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:41:46,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:41:46,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:41:46,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:41:46,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:41:46,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:41:46,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:41:46,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:41:46,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:41:46,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:41:46,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:41:46,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 02:41:46,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:41:46,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:41:46,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:41:46,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:41:46,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:41:46,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:41:46,563 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 02:41:46,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:41:46,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:41:46,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:41:46,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:41:46,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:41:46,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:41:46,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:41:46,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:41:46,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:41:46,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:41:46,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:41:46,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:41:46,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:41:46,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:41:46,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:41:46,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:41:46,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 02:41:46,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:41:46,567 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 02:41:46,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 02:41:46,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:41:46,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:41:46,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b [2021-11-23 02:41:46,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:41:46,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:41:46,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:41:46,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:41:46,780 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:41:46,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2021-11-23 02:41:46,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e44910a/9f588289effa4da8a71c50aa8edc1500/FLAG24d002674 [2021-11-23 02:41:47,450 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:41:47,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2021-11-23 02:41:47,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e44910a/9f588289effa4da8a71c50aa8edc1500/FLAG24d002674 [2021-11-23 02:41:47,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e44910a/9f588289effa4da8a71c50aa8edc1500 [2021-11-23 02:41:47,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:41:47,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:41:47,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:41:47,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:41:47,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:41:47,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:47" (1/1) ... [2021-11-23 02:41:47,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d9a116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47, skipping insertion in model container [2021-11-23 02:41:47,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:47" (1/1) ... [2021-11-23 02:41:47,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:41:47,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:41:49,237 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2021-11-23 02:41:49,239 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2021-11-23 02:41:49,239 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2021-11-23 02:41:49,240 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2021-11-23 02:41:49,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:41:49,296 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:41:49,551 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2021-11-23 02:41:49,552 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2021-11-23 02:41:49,552 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2021-11-23 02:41:49,552 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2021-11-23 02:41:49,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:41:49,655 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:41:49,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49 WrapperNode [2021-11-23 02:41:49,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:41:49,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:41:49,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:41:49,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:41:49,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:49,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,089 INFO L137 Inliner]: procedures = 370, calls = 2171, calls flagged for inlining = 729, calls inlined = 4162, statements flattened = 22633 [2021-11-23 02:41:50,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:41:50,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:41:50,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:41:50,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:41:50,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:41:50,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:41:50,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:41:50,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:41:50,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (1/1) ... [2021-11-23 02:41:50,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:41:50,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 02:41:50,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:41:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:41:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:41:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:41:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2021-11-23 02:41:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2021-11-23 02:41:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:41:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:41:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:41:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:41:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:41:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:41:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:41:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:41:51,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:41:51,622 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:41:51,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:41:59,166 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res#1 := 0; [2021-11-23 02:41:59,166 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-23 02:41:59,166 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-23 02:41:59,167 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-23 02:41:59,167 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-23 02:41:59,167 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:41:59,168 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:41:59,226 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:41:59,226 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:41:59,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:59 BoogieIcfgContainer [2021-11-23 02:41:59,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:41:59,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:41:59,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:41:59,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:41:59,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:41:47" (1/3) ... [2021-11-23 02:41:59,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e20ef53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:59, skipping insertion in model container [2021-11-23 02:41:59,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:49" (2/3) ... [2021-11-23 02:41:59,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e20ef53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:59, skipping insertion in model container [2021-11-23 02:41:59,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:59" (3/3) ... [2021-11-23 02:41:59,237 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2021-11-23 02:41:59,240 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:41:59,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2021-11-23 02:41:59,281 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:41:59,285 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:41:59,285 INFO L340 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2021-11-23 02:41:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 5805 states, 5742 states have (on average 1.1637060257749914) internal successors, (6682), 5800 states have internal predecessors, (6682), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 02:41:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 02:41:59,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:41:59,343 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:41:59,344 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:41:59,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:41:59,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1941190815, now seen corresponding path program 1 times [2021-11-23 02:41:59,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:41:59,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026477104] [2021-11-23 02:41:59,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:59,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:41:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:41:59,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:41:59,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026477104] [2021-11-23 02:41:59,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026477104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:41:59,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:41:59,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:41:59,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959357879] [2021-11-23 02:41:59,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:41:59,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:41:59,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:41:59,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:41:59,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:41:59,727 INFO L87 Difference]: Start difference. First operand has 5805 states, 5742 states have (on average 1.1637060257749914) internal successors, (6682), 5800 states have internal predecessors, (6682), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-11-23 02:42:00,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:00,198 INFO L93 Difference]: Finished difference Result 17027 states and 19586 transitions. [2021-11-23 02:42:00,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:00,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) Word has length 41 [2021-11-23 02:42:00,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:00,245 INFO L225 Difference]: With dead ends: 17027 [2021-11-23 02:42:00,245 INFO L226 Difference]: Without dead ends: 10499 [2021-11-23 02:42:00,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:00,271 INFO L933 BasicCegarLoop]: 6620 mSDtfsCounter, 6300 mSDsluCounter, 6568 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6300 SdHoareTripleChecker+Valid, 13188 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:00,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6300 Valid, 13188 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:42:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10499 states. [2021-11-23 02:42:00,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10499 to 10455. [2021-11-23 02:42:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10455 states, 10387 states have (on average 1.0866467700009628) internal successors, (11287), 10446 states have internal predecessors, (11287), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-23 02:42:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 11299 transitions. [2021-11-23 02:42:00,524 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 11299 transitions. Word has length 41 [2021-11-23 02:42:00,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:00,524 INFO L470 AbstractCegarLoop]: Abstraction has 10455 states and 11299 transitions. [2021-11-23 02:42:00,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-11-23 02:42:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 11299 transitions. [2021-11-23 02:42:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 02:42:00,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:00,526 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:00,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:42:00,527 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:00,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:00,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1683559768, now seen corresponding path program 1 times [2021-11-23 02:42:00,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:00,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530108085] [2021-11-23 02:42:00,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:00,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:00,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:00,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530108085] [2021-11-23 02:42:00,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530108085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:00,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:00,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:00,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829575565] [2021-11-23 02:42:00,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:00,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:42:00,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:00,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:42:00,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:00,637 INFO L87 Difference]: Start difference. First operand 10455 states and 11299 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-11-23 02:42:01,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:01,164 INFO L93 Difference]: Finished difference Result 28807 states and 31090 transitions. [2021-11-23 02:42:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:01,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) Word has length 41 [2021-11-23 02:42:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:01,217 INFO L225 Difference]: With dead ends: 28807 [2021-11-23 02:42:01,217 INFO L226 Difference]: Without dead ends: 18413 [2021-11-23 02:42:01,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:01,236 INFO L933 BasicCegarLoop]: 5798 mSDtfsCounter, 4460 mSDsluCounter, 5702 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4460 SdHoareTripleChecker+Valid, 11500 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:01,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4460 Valid, 11500 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:01,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18413 states. [2021-11-23 02:42:01,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18413 to 16485. [2021-11-23 02:42:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16485 states, 16407 states have (on average 1.087036021210459) internal successors, (17835), 16468 states have internal predecessors, (17835), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (18), 12 states have call predecessors, (18), 12 states have call successors, (18) [2021-11-23 02:42:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16485 states to 16485 states and 17865 transitions. [2021-11-23 02:42:01,564 INFO L78 Accepts]: Start accepts. Automaton has 16485 states and 17865 transitions. Word has length 41 [2021-11-23 02:42:01,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:01,564 INFO L470 AbstractCegarLoop]: Abstraction has 16485 states and 17865 transitions. [2021-11-23 02:42:01,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-11-23 02:42:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 16485 states and 17865 transitions. [2021-11-23 02:42:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 02:42:01,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:01,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:01,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:42:01,566 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash 771776445, now seen corresponding path program 1 times [2021-11-23 02:42:01,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:01,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426048592] [2021-11-23 02:42:01,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:01,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:01,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:01,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426048592] [2021-11-23 02:42:01,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426048592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:01,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:01,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:01,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365500472] [2021-11-23 02:42:01,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:01,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:42:01,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:01,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:42:01,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:01,665 INFO L87 Difference]: Start difference. First operand 16485 states and 17865 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-23 02:42:02,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:02,285 INFO L93 Difference]: Finished difference Result 43537 states and 47155 transitions. [2021-11-23 02:42:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:02,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) Word has length 46 [2021-11-23 02:42:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:02,343 INFO L225 Difference]: With dead ends: 43537 [2021-11-23 02:42:02,343 INFO L226 Difference]: Without dead ends: 27113 [2021-11-23 02:42:02,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:02,387 INFO L933 BasicCegarLoop]: 6220 mSDtfsCounter, 4119 mSDsluCounter, 5730 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 11950 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:02,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4119 Valid, 11950 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:02,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27113 states. [2021-11-23 02:42:03,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27113 to 26001. [2021-11-23 02:42:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26001 states, 25919 states have (on average 1.0863459238396542) internal successors, (28157), 25982 states have internal predecessors, (28157), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26001 states to 26001 states and 28193 transitions. [2021-11-23 02:42:03,168 INFO L78 Accepts]: Start accepts. Automaton has 26001 states and 28193 transitions. Word has length 46 [2021-11-23 02:42:03,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:03,168 INFO L470 AbstractCegarLoop]: Abstraction has 26001 states and 28193 transitions. [2021-11-23 02:42:03,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-23 02:42:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 26001 states and 28193 transitions. [2021-11-23 02:42:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 02:42:03,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:03,171 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:03,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:42:03,172 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:03,173 INFO L85 PathProgramCache]: Analyzing trace with hash 631013124, now seen corresponding path program 1 times [2021-11-23 02:42:03,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:03,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011604621] [2021-11-23 02:42:03,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:03,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:03,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:03,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011604621] [2021-11-23 02:42:03,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011604621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:03,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:03,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:03,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345502405] [2021-11-23 02:42:03,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:03,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:42:03,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:42:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:03,336 INFO L87 Difference]: Start difference. First operand 26001 states and 28193 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-23 02:42:04,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:04,206 INFO L93 Difference]: Finished difference Result 41028 states and 44783 transitions. [2021-11-23 02:42:04,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:04,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) Word has length 52 [2021-11-23 02:42:04,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:04,236 INFO L225 Difference]: With dead ends: 41028 [2021-11-23 02:42:04,236 INFO L226 Difference]: Without dead ends: 15088 [2021-11-23 02:42:04,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:04,279 INFO L933 BasicCegarLoop]: 6098 mSDtfsCounter, 5207 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5207 SdHoareTripleChecker+Valid, 7063 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:04,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5207 Valid, 7063 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:42:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15088 states. [2021-11-23 02:42:04,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15088 to 13854. [2021-11-23 02:42:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13854 states, 13784 states have (on average 1.09648868253047) internal successors, (15114), 13844 states have internal predecessors, (15114), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2021-11-23 02:42:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13854 states to 13854 states and 15132 transitions. [2021-11-23 02:42:04,740 INFO L78 Accepts]: Start accepts. Automaton has 13854 states and 15132 transitions. Word has length 52 [2021-11-23 02:42:04,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:04,740 INFO L470 AbstractCegarLoop]: Abstraction has 13854 states and 15132 transitions. [2021-11-23 02:42:04,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-23 02:42:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 13854 states and 15132 transitions. [2021-11-23 02:42:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 02:42:04,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:04,742 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:04,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:42:04,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:04,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:04,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1053204358, now seen corresponding path program 1 times [2021-11-23 02:42:04,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:04,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557118819] [2021-11-23 02:42:04,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:04,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:04,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:04,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557118819] [2021-11-23 02:42:04,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557118819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:04,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:04,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:04,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057653017] [2021-11-23 02:42:04,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:04,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:42:04,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:04,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:42:04,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:04,842 INFO L87 Difference]: Start difference. First operand 13854 states and 15132 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-11-23 02:42:05,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:05,297 INFO L93 Difference]: Finished difference Result 40834 states and 44595 transitions. [2021-11-23 02:42:05,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:05,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) Word has length 71 [2021-11-23 02:42:05,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:05,350 INFO L225 Difference]: With dead ends: 40834 [2021-11-23 02:42:05,351 INFO L226 Difference]: Without dead ends: 27108 [2021-11-23 02:42:05,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:05,384 INFO L933 BasicCegarLoop]: 5875 mSDtfsCounter, 5513 mSDsluCounter, 5776 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5513 SdHoareTripleChecker+Valid, 11651 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:05,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5513 Valid, 11651 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:42:05,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27108 states. [2021-11-23 02:42:05,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27108 to 27064. [2021-11-23 02:42:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27064 states, 26982 states have (on average 1.0937291527685122) internal successors, (29511), 27045 states have internal predecessors, (29511), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27064 states to 27064 states and 29547 transitions. [2021-11-23 02:42:05,939 INFO L78 Accepts]: Start accepts. Automaton has 27064 states and 29547 transitions. Word has length 71 [2021-11-23 02:42:05,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:05,940 INFO L470 AbstractCegarLoop]: Abstraction has 27064 states and 29547 transitions. [2021-11-23 02:42:05,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-11-23 02:42:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 27064 states and 29547 transitions. [2021-11-23 02:42:05,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 02:42:05,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:05,941 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:05,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:42:05,942 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:05,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:05,942 INFO L85 PathProgramCache]: Analyzing trace with hash -535143544, now seen corresponding path program 1 times [2021-11-23 02:42:05,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:05,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657801715] [2021-11-23 02:42:05,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:05,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:06,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:06,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657801715] [2021-11-23 02:42:06,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657801715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:06,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:06,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:06,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682027636] [2021-11-23 02:42:06,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:06,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:06,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:06,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:06,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:06,151 INFO L87 Difference]: Start difference. First operand 27064 states and 29547 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-23 02:42:06,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:06,796 INFO L93 Difference]: Finished difference Result 27064 states and 29547 transitions. [2021-11-23 02:42:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:06,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) Word has length 71 [2021-11-23 02:42:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:06,840 INFO L225 Difference]: With dead ends: 27064 [2021-11-23 02:42:06,840 INFO L226 Difference]: Without dead ends: 27058 [2021-11-23 02:42:06,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:06,851 INFO L933 BasicCegarLoop]: 5790 mSDtfsCounter, 5740 mSDsluCounter, 5694 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5740 SdHoareTripleChecker+Valid, 11484 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:06,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5740 Valid, 11484 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:06,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27058 states. [2021-11-23 02:42:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27058 to 27058. [2021-11-23 02:42:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27058 states, 26979 states have (on average 1.0936283776270432) internal successors, (29505), 27039 states have internal predecessors, (29505), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27058 states to 27058 states and 29541 transitions. [2021-11-23 02:42:07,696 INFO L78 Accepts]: Start accepts. Automaton has 27058 states and 29541 transitions. Word has length 71 [2021-11-23 02:42:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:07,696 INFO L470 AbstractCegarLoop]: Abstraction has 27058 states and 29541 transitions. [2021-11-23 02:42:07,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-23 02:42:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 27058 states and 29541 transitions. [2021-11-23 02:42:07,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 02:42:07,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:07,698 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:07,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:42:07,698 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:07,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:07,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1123364971, now seen corresponding path program 1 times [2021-11-23 02:42:07,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:07,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120373313] [2021-11-23 02:42:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:07,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:07,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:07,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120373313] [2021-11-23 02:42:07,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120373313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:07,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:07,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:07,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695777382] [2021-11-23 02:42:07,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:07,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:07,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:07,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:07,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:07,844 INFO L87 Difference]: Start difference. First operand 27058 states and 29541 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-23 02:42:08,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:08,303 INFO L93 Difference]: Finished difference Result 27058 states and 29541 transitions. [2021-11-23 02:42:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:08,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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) Word has length 73 [2021-11-23 02:42:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:08,351 INFO L225 Difference]: With dead ends: 27058 [2021-11-23 02:42:08,351 INFO L226 Difference]: Without dead ends: 27052 [2021-11-23 02:42:08,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:08,364 INFO L933 BasicCegarLoop]: 5784 mSDtfsCounter, 5729 mSDsluCounter, 5691 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5729 SdHoareTripleChecker+Valid, 11475 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:08,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5729 Valid, 11475 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27052 states. [2021-11-23 02:42:08,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27052 to 27052. [2021-11-23 02:42:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27052 states, 26976 states have (on average 1.0935275800711743) internal successors, (29499), 27033 states have internal predecessors, (29499), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27052 states to 27052 states and 29535 transitions. [2021-11-23 02:42:09,061 INFO L78 Accepts]: Start accepts. Automaton has 27052 states and 29535 transitions. Word has length 73 [2021-11-23 02:42:09,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:09,062 INFO L470 AbstractCegarLoop]: Abstraction has 27052 states and 29535 transitions. [2021-11-23 02:42:09,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-23 02:42:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27052 states and 29535 transitions. [2021-11-23 02:42:09,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 02:42:09,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:09,064 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:09,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:42:09,064 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:09,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:09,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1517181390, now seen corresponding path program 1 times [2021-11-23 02:42:09,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:09,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863550604] [2021-11-23 02:42:09,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:09,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:09,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:09,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863550604] [2021-11-23 02:42:09,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863550604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:09,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:09,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:09,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721422360] [2021-11-23 02:42:09,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:09,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:09,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:09,197 INFO L87 Difference]: Start difference. First operand 27052 states and 29535 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-11-23 02:42:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:09,886 INFO L93 Difference]: Finished difference Result 27052 states and 29535 transitions. [2021-11-23 02:42:09,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:09,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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) Word has length 75 [2021-11-23 02:42:09,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:09,933 INFO L225 Difference]: With dead ends: 27052 [2021-11-23 02:42:09,933 INFO L226 Difference]: Without dead ends: 27046 [2021-11-23 02:42:09,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:09,946 INFO L933 BasicCegarLoop]: 5778 mSDtfsCounter, 5721 mSDsluCounter, 5688 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5721 SdHoareTripleChecker+Valid, 11466 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:09,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5721 Valid, 11466 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:09,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27046 states. [2021-11-23 02:42:10,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27046 to 27046. [2021-11-23 02:42:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27046 states, 26973 states have (on average 1.0934267600934267) internal successors, (29493), 27027 states have internal predecessors, (29493), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27046 states to 27046 states and 29529 transitions. [2021-11-23 02:42:10,931 INFO L78 Accepts]: Start accepts. Automaton has 27046 states and 29529 transitions. Word has length 75 [2021-11-23 02:42:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:10,939 INFO L470 AbstractCegarLoop]: Abstraction has 27046 states and 29529 transitions. [2021-11-23 02:42:10,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-11-23 02:42:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 27046 states and 29529 transitions. [2021-11-23 02:42:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 02:42:10,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:10,942 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:10,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:42:10,942 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:10,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:10,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2017638321, now seen corresponding path program 1 times [2021-11-23 02:42:10,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:10,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732895075] [2021-11-23 02:42:10,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:10,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:11,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:11,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732895075] [2021-11-23 02:42:11,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732895075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:11,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:11,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:11,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025981004] [2021-11-23 02:42:11,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:11,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:11,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:11,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:11,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:11,157 INFO L87 Difference]: Start difference. First operand 27046 states and 29529 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-23 02:42:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:11,937 INFO L93 Difference]: Finished difference Result 27046 states and 29529 transitions. [2021-11-23 02:42:11,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:11,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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) Word has length 77 [2021-11-23 02:42:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:11,975 INFO L225 Difference]: With dead ends: 27046 [2021-11-23 02:42:11,975 INFO L226 Difference]: Without dead ends: 27040 [2021-11-23 02:42:11,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:11,984 INFO L933 BasicCegarLoop]: 5772 mSDtfsCounter, 5713 mSDsluCounter, 5685 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5713 SdHoareTripleChecker+Valid, 11457 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:11,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5713 Valid, 11457 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:12,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27040 states. [2021-11-23 02:42:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27040 to 27040. [2021-11-23 02:42:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27040 states, 26970 states have (on average 1.0933259176863181) internal successors, (29487), 27021 states have internal predecessors, (29487), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27040 states to 27040 states and 29523 transitions. [2021-11-23 02:42:12,681 INFO L78 Accepts]: Start accepts. Automaton has 27040 states and 29523 transitions. Word has length 77 [2021-11-23 02:42:12,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:12,681 INFO L470 AbstractCegarLoop]: Abstraction has 27040 states and 29523 transitions. [2021-11-23 02:42:12,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-23 02:42:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 27040 states and 29523 transitions. [2021-11-23 02:42:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 02:42:12,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:12,683 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:12,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:42:12,683 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:12,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1920412180, now seen corresponding path program 1 times [2021-11-23 02:42:12,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:12,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576050013] [2021-11-23 02:42:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:12,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:12,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:12,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576050013] [2021-11-23 02:42:12,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576050013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:12,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:12,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:12,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320090787] [2021-11-23 02:42:12,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:12,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:12,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:12,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:12,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:12,810 INFO L87 Difference]: Start difference. First operand 27040 states and 29523 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-11-23 02:42:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:13,593 INFO L93 Difference]: Finished difference Result 27040 states and 29523 transitions. [2021-11-23 02:42:13,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:13,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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) Word has length 79 [2021-11-23 02:42:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:13,634 INFO L225 Difference]: With dead ends: 27040 [2021-11-23 02:42:13,635 INFO L226 Difference]: Without dead ends: 27034 [2021-11-23 02:42:13,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:13,648 INFO L933 BasicCegarLoop]: 5766 mSDtfsCounter, 5705 mSDsluCounter, 5682 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5705 SdHoareTripleChecker+Valid, 11448 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:13,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5705 Valid, 11448 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27034 states. [2021-11-23 02:42:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27034 to 27034. [2021-11-23 02:42:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27034 states, 26967 states have (on average 1.0932250528423628) internal successors, (29481), 27015 states have internal predecessors, (29481), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27034 states to 27034 states and 29517 transitions. [2021-11-23 02:42:14,635 INFO L78 Accepts]: Start accepts. Automaton has 27034 states and 29517 transitions. Word has length 79 [2021-11-23 02:42:14,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:14,636 INFO L470 AbstractCegarLoop]: Abstraction has 27034 states and 29517 transitions. [2021-11-23 02:42:14,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-11-23 02:42:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 27034 states and 29517 transitions. [2021-11-23 02:42:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 02:42:14,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:14,642 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:14,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:42:14,642 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:14,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:14,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1319595785, now seen corresponding path program 1 times [2021-11-23 02:42:14,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:14,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22844067] [2021-11-23 02:42:14,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:14,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:14,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:14,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22844067] [2021-11-23 02:42:14,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22844067] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:14,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:14,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:14,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966830804] [2021-11-23 02:42:14,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:14,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:14,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:14,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:14,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:14,813 INFO L87 Difference]: Start difference. First operand 27034 states and 29517 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-11-23 02:42:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:15,506 INFO L93 Difference]: Finished difference Result 27034 states and 29517 transitions. [2021-11-23 02:42:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:15,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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) Word has length 81 [2021-11-23 02:42:15,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:15,546 INFO L225 Difference]: With dead ends: 27034 [2021-11-23 02:42:15,546 INFO L226 Difference]: Without dead ends: 27028 [2021-11-23 02:42:15,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:15,559 INFO L933 BasicCegarLoop]: 5760 mSDtfsCounter, 5697 mSDsluCounter, 5679 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5697 SdHoareTripleChecker+Valid, 11439 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:15,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5697 Valid, 11439 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27028 states. [2021-11-23 02:42:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27028 to 27028. [2021-11-23 02:42:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27028 states, 26964 states have (on average 1.093124165554072) internal successors, (29475), 27009 states have internal predecessors, (29475), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27028 states to 27028 states and 29511 transitions. [2021-11-23 02:42:16,671 INFO L78 Accepts]: Start accepts. Automaton has 27028 states and 29511 transitions. Word has length 81 [2021-11-23 02:42:16,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:16,671 INFO L470 AbstractCegarLoop]: Abstraction has 27028 states and 29511 transitions. [2021-11-23 02:42:16,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-11-23 02:42:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 27028 states and 29511 transitions. [2021-11-23 02:42:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 02:42:16,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:16,673 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:16,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 02:42:16,674 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:16,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:16,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1115960230, now seen corresponding path program 1 times [2021-11-23 02:42:16,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:16,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117837536] [2021-11-23 02:42:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:16,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:16,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:16,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117837536] [2021-11-23 02:42:16,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117837536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:16,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:16,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:16,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899432715] [2021-11-23 02:42:16,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:16,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:16,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:16,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:16,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:16,858 INFO L87 Difference]: Start difference. First operand 27028 states and 29511 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-11-23 02:42:17,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:17,627 INFO L93 Difference]: Finished difference Result 27028 states and 29511 transitions. [2021-11-23 02:42:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:17,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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) Word has length 83 [2021-11-23 02:42:17,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:17,668 INFO L225 Difference]: With dead ends: 27028 [2021-11-23 02:42:17,668 INFO L226 Difference]: Without dead ends: 27022 [2021-11-23 02:42:17,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:17,679 INFO L933 BasicCegarLoop]: 5754 mSDtfsCounter, 5689 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5689 SdHoareTripleChecker+Valid, 11430 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:17,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5689 Valid, 11430 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27022 states. [2021-11-23 02:42:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27022 to 27022. [2021-11-23 02:42:18,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27022 states, 26961 states have (on average 1.0930232558139534) internal successors, (29469), 27003 states have internal predecessors, (29469), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27022 states to 27022 states and 29505 transitions. [2021-11-23 02:42:18,704 INFO L78 Accepts]: Start accepts. Automaton has 27022 states and 29505 transitions. Word has length 83 [2021-11-23 02:42:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:18,705 INFO L470 AbstractCegarLoop]: Abstraction has 27022 states and 29505 transitions. [2021-11-23 02:42:18,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-11-23 02:42:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27022 states and 29505 transitions. [2021-11-23 02:42:18,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 02:42:18,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:18,707 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:18,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 02:42:18,707 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:18,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:18,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1304280125, now seen corresponding path program 1 times [2021-11-23 02:42:18,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:18,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984634591] [2021-11-23 02:42:18,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:18,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:18,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:18,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984634591] [2021-11-23 02:42:18,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984634591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:18,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:18,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:18,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633588999] [2021-11-23 02:42:18,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:18,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:18,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:18,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:18,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:18,822 INFO L87 Difference]: Start difference. First operand 27022 states and 29505 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-11-23 02:42:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:19,785 INFO L93 Difference]: Finished difference Result 27022 states and 29505 transitions. [2021-11-23 02:42:19,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:19,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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) Word has length 85 [2021-11-23 02:42:19,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:19,823 INFO L225 Difference]: With dead ends: 27022 [2021-11-23 02:42:19,824 INFO L226 Difference]: Without dead ends: 27016 [2021-11-23 02:42:19,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:19,834 INFO L933 BasicCegarLoop]: 5748 mSDtfsCounter, 5681 mSDsluCounter, 5673 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5681 SdHoareTripleChecker+Valid, 11421 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:19,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5681 Valid, 11421 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:19,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27016 states. [2021-11-23 02:42:20,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27016 to 27016. [2021-11-23 02:42:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27016 states, 26958 states have (on average 1.0929223236145114) internal successors, (29463), 26997 states have internal predecessors, (29463), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27016 states to 27016 states and 29499 transitions. [2021-11-23 02:42:20,729 INFO L78 Accepts]: Start accepts. Automaton has 27016 states and 29499 transitions. Word has length 85 [2021-11-23 02:42:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:20,729 INFO L470 AbstractCegarLoop]: Abstraction has 27016 states and 29499 transitions. [2021-11-23 02:42:20,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-11-23 02:42:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 27016 states and 29499 transitions. [2021-11-23 02:42:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 02:42:20,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:20,731 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:20,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 02:42:20,732 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:20,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:20,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1596398159, now seen corresponding path program 1 times [2021-11-23 02:42:20,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:20,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492104016] [2021-11-23 02:42:20,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:20,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:20,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:20,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492104016] [2021-11-23 02:42:20,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492104016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:20,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:20,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:20,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191860166] [2021-11-23 02:42:20,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:20,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:42:20,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:20,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:42:20,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:20,838 INFO L87 Difference]: Start difference. First operand 27016 states and 29499 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-23 02:42:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:22,539 INFO L93 Difference]: Finished difference Result 55820 states and 61310 transitions. [2021-11-23 02:42:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:22,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) Word has length 86 [2021-11-23 02:42:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:22,592 INFO L225 Difference]: With dead ends: 55820 [2021-11-23 02:42:22,592 INFO L226 Difference]: Without dead ends: 28932 [2021-11-23 02:42:22,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:22,634 INFO L933 BasicCegarLoop]: 6286 mSDtfsCounter, 535 mSDsluCounter, 5084 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 11370 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:22,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 11370 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:42:22,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28932 states. [2021-11-23 02:42:23,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28932 to 28000. [2021-11-23 02:42:23,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28000 states, 27942 states have (on average 1.0996707465464175) internal successors, (30727), 27981 states have internal predecessors, (30727), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28000 states to 28000 states and 30763 transitions. [2021-11-23 02:42:23,857 INFO L78 Accepts]: Start accepts. Automaton has 28000 states and 30763 transitions. Word has length 86 [2021-11-23 02:42:23,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:23,858 INFO L470 AbstractCegarLoop]: Abstraction has 28000 states and 30763 transitions. [2021-11-23 02:42:23,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-23 02:42:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 28000 states and 30763 transitions. [2021-11-23 02:42:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 02:42:23,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:23,859 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:23,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 02:42:23,860 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:23,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:23,860 INFO L85 PathProgramCache]: Analyzing trace with hash -717012832, now seen corresponding path program 1 times [2021-11-23 02:42:23,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:23,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827058895] [2021-11-23 02:42:23,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:23,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:42:23,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:42:23,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827058895] [2021-11-23 02:42:23,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827058895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:23,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:23,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:23,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606039125] [2021-11-23 02:42:23,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:23,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:23,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:42:23,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:23,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:23,972 INFO L87 Difference]: Start difference. First operand 28000 states and 30763 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-23 02:42:24,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:24,971 INFO L93 Difference]: Finished difference Result 29600 states and 32425 transitions. [2021-11-23 02:42:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:24,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) Word has length 87 [2021-11-23 02:42:24,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:25,016 INFO L225 Difference]: With dead ends: 29600 [2021-11-23 02:42:25,016 INFO L226 Difference]: Without dead ends: 29594 [2021-11-23 02:42:25,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:42:25,031 INFO L933 BasicCegarLoop]: 6132 mSDtfsCounter, 2434 mSDsluCounter, 9662 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 15794 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:25,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2434 Valid, 15794 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:25,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29594 states. [2021-11-23 02:42:26,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29594 to 27994. [2021-11-23 02:42:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27994 states, 27939 states have (on average 1.099574072085615) internal successors, (30721), 27975 states have internal predecessors, (30721), 12 states have call successors, (12), 8 states have call predecessors, (12), 12 states have return successors, (24), 16 states have call predecessors, (24), 12 states have call successors, (24) [2021-11-23 02:42:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27994 states to 27994 states and 30757 transitions. [2021-11-23 02:42:26,236 INFO L78 Accepts]: Start accepts. Automaton has 27994 states and 30757 transitions. Word has length 87 [2021-11-23 02:42:26,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:26,236 INFO L470 AbstractCegarLoop]: Abstraction has 27994 states and 30757 transitions. [2021-11-23 02:42:26,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-23 02:42:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 27994 states and 30757 transitions. [2021-11-23 02:42:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 02:42:26,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:26,238 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:26,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 02:42:26,238 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2021-11-23 02:42:26,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:26,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1854326397, now seen corresponding path program 1 times [2021-11-23 02:42:26,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:42:26,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092560764] [2021-11-23 02:42:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:26,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat