./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:30:42,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:30:42,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:30:42,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:30:42,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:30:42,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:30:42,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:30:42,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:30:42,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:30:42,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:30:42,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:30:42,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:30:42,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:30:42,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:30:42,719 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:30:42,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:30:42,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:30:42,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:30:42,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:30:42,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:30:42,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:30:42,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:30:42,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:30:42,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:30:42,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:30:42,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:30:42,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:30:42,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:30:42,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:30:42,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:30:42,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:30:42,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:30:42,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:30:42,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:30:42,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:30:42,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:30:42,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:30:42,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:30:42,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:30:42,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2024-11-19 02:30:43,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:30:43,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:30:43,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:30:43,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:30:43,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:30:43,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-11-19 02:30:44,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:30:45,193 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:30:45,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-11-19 02:30:45,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee23532d/831a361eeacc45dfbf1bfe84eaed0775/FLAGa78bae35f [2024-11-19 02:30:45,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee23532d/831a361eeacc45dfbf1bfe84eaed0775 [2024-11-19 02:30:45,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:30:45,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:30:45,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:30:45,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:30:45,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:30:45,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:45" (1/1) ... [2024-11-19 02:30:45,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbdba27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:45, skipping insertion in model container [2024-11-19 02:30:45,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:45" (1/1) ... [2024-11-19 02:30:45,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:30:46,358 WARN L250 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-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2024-11-19 02:30:46,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:30:46,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:30:46,686 WARN L250 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-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2024-11-19 02:30:46,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:30:46,768 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:30:46,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46 WrapperNode [2024-11-19 02:30:46,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:30:46,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:30:46,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:30:46,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:30:46,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:46,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:46,943 INFO L138 Inliner]: procedures = 82, calls = 541, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 2217 [2024-11-19 02:30:46,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:30:46,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:30:46,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:30:46,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:30:46,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:46,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:46,984 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,172 INFO L175 MemorySlicer]: Split 361 memory accesses to 21 slices as follows [2, 7, 1, 2, 1, 1, 9, 9, 8, 69, 8, 2, 8, 48, 7, 7, 5, 1, 7, 8, 151]. 42 percent of accesses are in the largest equivalence class. The 110 initializations are split as follows [2, 7, 1, 0, 1, 0, 9, 9, 8, 0, 8, 0, 8, 14, 7, 7, 0, 0, 7, 8, 14]. The 183 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 69, 0, 0, 0, 13, 0, 0, 0, 1, 0, 0, 100]. [2024-11-19 02:30:47,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:30:47,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:30:47,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:30:47,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:30:47,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (1/1) ... [2024-11-19 02:30:47,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:30:47,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:30:47,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:30:47,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:30:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:30:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2024-11-19 02:30:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2024-11-19 02:30:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:30:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:30:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:30:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:30:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:30:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:30:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:30:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 02:30:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 02:30:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 02:30:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 02:30:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 02:30:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 02:30:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 02:30:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 02:30:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 02:30:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:30:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 02:30:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2024-11-19 02:30:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:30:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 02:30:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 02:30:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 02:30:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 02:30:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 02:30:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-19 02:30:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-19 02:30:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-19 02:30:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-19 02:30:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 02:30:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 02:30:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-19 02:30:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-19 02:30:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:30:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 02:30:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 02:30:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 02:30:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 02:30:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 02:30:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 02:30:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 02:30:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 02:30:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 02:30:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 02:30:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 02:30:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2024-11-19 02:30:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2024-11-19 02:30:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-19 02:30:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-19 02:30:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 02:30:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 02:30:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2024-11-19 02:30:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2024-11-19 02:30:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-19 02:30:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-19 02:30:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-11-19 02:30:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-11-19 02:30:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:30:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:30:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 02:30:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:30:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:30:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:30:47,899 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:30:47,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:30:48,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-19 02:30:48,086 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 02:30:48,148 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2024-11-19 02:30:48,149 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2024-11-19 02:30:48,205 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 02:30:48,208 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 02:30:48,229 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 02:30:57,037 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2024-11-19 02:30:57,037 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2024-11-19 02:30:57,037 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2024-11-19 02:30:57,037 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2024-11-19 02:30:57,037 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2024-11-19 02:30:57,037 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false; [2024-11-19 02:30:57,178 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-11-19 02:30:57,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:30:57,215 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:30:57,216 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-19 02:30:57,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:57 BoogieIcfgContainer [2024-11-19 02:30:57,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:30:57,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:30:57,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:30:57,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:30:57,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:30:45" (1/3) ... [2024-11-19 02:30:57,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc16da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:30:57, skipping insertion in model container [2024-11-19 02:30:57,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46" (2/3) ... [2024-11-19 02:30:57,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc16da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:30:57, skipping insertion in model container [2024-11-19 02:30:57,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:57" (3/3) ... [2024-11-19 02:30:57,230 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-11-19 02:30:57,249 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:30:57,250 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:30:57,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:30:57,350 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ead8008, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:30:57,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:30:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 330 states have (on average 1.481818181818182) internal successors, (489), 340 states have internal predecessors, (489), 46 states have call successors, (46), 15 states have call predecessors, (46), 14 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 02:30:57,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 02:30:57,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:30:57,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:30:57,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:30:57,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:30:57,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1954417122, now seen corresponding path program 1 times [2024-11-19 02:30:57,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:30:57,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575664152] [2024-11-19 02:30:57,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:30:57,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 02:31:03,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:03,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575664152] [2024-11-19 02:31:03,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575664152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:31:03,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:31:03,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 02:31:03,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268696285] [2024-11-19 02:31:03,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:31:03,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 02:31:03,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:31:03,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 02:31:03,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 02:31:03,981 INFO L87 Difference]: Start difference. First operand has 392 states, 330 states have (on average 1.481818181818182) internal successors, (489), 340 states have internal predecessors, (489), 46 states have call successors, (46), 15 states have call predecessors, (46), 14 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 02:31:04,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:31:04,240 INFO L93 Difference]: Finished difference Result 1122 states and 1678 transitions. [2024-11-19 02:31:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 02:31:04,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-19 02:31:04,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:31:04,272 INFO L225 Difference]: With dead ends: 1122 [2024-11-19 02:31:04,273 INFO L226 Difference]: Without dead ends: 742 [2024-11-19 02:31:04,281 INFO L431 NwaCegarLoop]: 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 [2024-11-19 02:31:04,288 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 513 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 02:31:04,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1051 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 02:31:04,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-19 02:31:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 739. [2024-11-19 02:31:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 629 states have (on average 1.330683624801272) internal successors, (837), 639 states have internal predecessors, (837), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-19 02:31:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1002 transitions. [2024-11-19 02:31:04,428 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1002 transitions. Word has length 18 [2024-11-19 02:31:04,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:31:04,430 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1002 transitions. [2024-11-19 02:31:04,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 02:31:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1002 transitions. [2024-11-19 02:31:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 02:31:04,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:31:04,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:31:04,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 02:31:04,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:31:04,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:31:04,434 INFO L85 PathProgramCache]: Analyzing trace with hash 457272894, now seen corresponding path program 1 times [2024-11-19 02:31:04,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:31:04,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365982878] [2024-11-19 02:31:04,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:04,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 02:31:10,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:10,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365982878] [2024-11-19 02:31:10,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365982878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:31:10,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:31:10,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 02:31:10,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649514698] [2024-11-19 02:31:10,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:31:10,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 02:31:10,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:31:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 02:31:10,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 02:31:10,319 INFO L87 Difference]: Start difference. First operand 739 states and 1002 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 02:31:10,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:31:10,345 INFO L93 Difference]: Finished difference Result 741 states and 1003 transitions. [2024-11-19 02:31:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 02:31:10,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-19 02:31:10,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:31:10,352 INFO L225 Difference]: With dead ends: 741 [2024-11-19 02:31:10,352 INFO L226 Difference]: Without dead ends: 729 [2024-11-19 02:31:10,353 INFO L431 NwaCegarLoop]: 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 [2024-11-19 02:31:10,354 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 508 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 02:31:10,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:31:10,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-11-19 02:31:10,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2024-11-19 02:31:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 623 states have (on average 1.3274478330658106) internal successors, (827), 631 states have internal predecessors, (827), 81 states have call successors, (81), 25 states have call predecessors, (81), 24 states have return successors, (79), 77 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-19 02:31:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 987 transitions. [2024-11-19 02:31:10,395 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 987 transitions. Word has length 19 [2024-11-19 02:31:10,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:31:10,396 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 987 transitions. [2024-11-19 02:31:10,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 02:31:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 987 transitions. [2024-11-19 02:31:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 02:31:10,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:31:10,406 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:31:10,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 02:31:10,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:31:10,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:31:10,407 INFO L85 PathProgramCache]: Analyzing trace with hash 583670047, now seen corresponding path program 1 times [2024-11-19 02:31:10,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:31:10,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720503866] [2024-11-19 02:31:10,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:10,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 02:31:16,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:16,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720503866] [2024-11-19 02:31:16,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720503866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:31:16,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:31:16,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 02:31:16,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021152896] [2024-11-19 02:31:16,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:31:16,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 02:31:16,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:31:16,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 02:31:16,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 02:31:16,201 INFO L87 Difference]: Start difference. First operand 729 states and 987 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:31:16,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:31:16,468 INFO L93 Difference]: Finished difference Result 1411 states and 1913 transitions. [2024-11-19 02:31:16,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 02:31:16,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-19 02:31:16,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:31:16,476 INFO L225 Difference]: With dead ends: 1411 [2024-11-19 02:31:16,477 INFO L226 Difference]: Without dead ends: 705 [2024-11-19 02:31:16,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 02:31:16,480 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 0 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 02:31:16,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1528 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 02:31:16,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-19 02:31:16,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2024-11-19 02:31:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 607 states have (on average 1.3261943986820428) internal successors, (805), 612 states have internal predecessors, (805), 74 states have call successors, (74), 24 states have call predecessors, (74), 23 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-19 02:31:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 951 transitions. [2024-11-19 02:31:16,520 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 951 transitions. Word has length 81 [2024-11-19 02:31:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:31:16,521 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 951 transitions. [2024-11-19 02:31:16,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:31:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 951 transitions. [2024-11-19 02:31:16,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 02:31:16,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:31:16,530 INFO L215 NwaCegarLoop]: 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] [2024-11-19 02:31:16,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 02:31:16,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:31:16,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:31:16,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1624463135, now seen corresponding path program 1 times [2024-11-19 02:31:16,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:31:16,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589198192] [2024-11-19 02:31:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 02:31:22,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:22,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589198192] [2024-11-19 02:31:22,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589198192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:31:22,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:31:22,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 02:31:22,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003223686] [2024-11-19 02:31:22,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:31:22,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:31:22,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:31:22,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:31:22,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:31:22,592 INFO L87 Difference]: Start difference. First operand 705 states and 951 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:31:22,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:31:22,850 INFO L93 Difference]: Finished difference Result 1082 states and 1462 transitions. [2024-11-19 02:31:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:31:22,851 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2024-11-19 02:31:22,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:31:22,856 INFO L225 Difference]: With dead ends: 1082 [2024-11-19 02:31:22,857 INFO L226 Difference]: Without dead ends: 719 [2024-11-19 02:31:22,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:31:22,862 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 0 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 02:31:22,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3059 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 02:31:22,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-19 02:31:22,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2024-11-19 02:31:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 617 states have (on average 1.320907617504052) internal successors, (815), 622 states have internal predecessors, (815), 74 states have call successors, (74), 24 states have call predecessors, (74), 27 states have return successors, (80), 75 states have call predecessors, (80), 72 states have call successors, (80) [2024-11-19 02:31:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 969 transitions. [2024-11-19 02:31:22,894 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 969 transitions. Word has length 78 [2024-11-19 02:31:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:31:22,894 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 969 transitions. [2024-11-19 02:31:22,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:31:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 969 transitions. [2024-11-19 02:31:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 02:31:22,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:31:22,897 INFO L215 NwaCegarLoop]: 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] [2024-11-19 02:31:22,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 02:31:22,898 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:31:22,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:31:22,899 INFO L85 PathProgramCache]: Analyzing trace with hash 486827234, now seen corresponding path program 1 times [2024-11-19 02:31:22,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:31:22,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478222189] [2024-11-19 02:31:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:22,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 02:31:28,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478222189] [2024-11-19 02:31:28,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478222189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:31:28,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:31:28,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 02:31:28,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049857789] [2024-11-19 02:31:28,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:31:28,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 02:31:28,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:31:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 02:31:28,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:31:28,439 INFO L87 Difference]: Start difference. First operand 719 states and 969 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:31:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:31:29,509 INFO L93 Difference]: Finished difference Result 1090 states and 1470 transitions. [2024-11-19 02:31:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 02:31:29,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2024-11-19 02:31:29,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:31:29,515 INFO L225 Difference]: With dead ends: 1090 [2024-11-19 02:31:29,516 INFO L226 Difference]: Without dead ends: 720 [2024-11-19 02:31:29,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:31:29,518 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 17 mSDsluCounter, 3512 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 4019 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 02:31:29,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 4019 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 02:31:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-19 02:31:29,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 719. [2024-11-19 02:31:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 617 states have (on average 1.3192868719611022) internal successors, (814), 622 states have internal predecessors, (814), 74 states have call successors, (74), 24 states have call predecessors, (74), 27 states have return successors, (80), 75 states have call predecessors, (80), 72 states have call successors, (80) [2024-11-19 02:31:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 968 transitions. [2024-11-19 02:31:29,551 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 968 transitions. Word has length 78 [2024-11-19 02:31:29,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:31:29,552 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 968 transitions. [2024-11-19 02:31:29,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:31:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 968 transitions. [2024-11-19 02:31:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 02:31:29,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:31:29,555 INFO L215 NwaCegarLoop]: 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] [2024-11-19 02:31:29,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 02:31:29,556 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:31:29,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:31:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash -374793600, now seen corresponding path program 1 times [2024-11-19 02:31:29,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:31:29,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050597365] [2024-11-19 02:31:29,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:29,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 02:31:34,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:34,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050597365] [2024-11-19 02:31:34,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050597365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:31:34,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:31:34,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 02:31:34,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263803257] [2024-11-19 02:31:34,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:31:34,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 02:31:34,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:31:34,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 02:31:34,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 02:31:34,545 INFO L87 Difference]: Start difference. First operand 719 states and 968 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-19 02:31:38,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 02:31:41,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:31:41,328 INFO L93 Difference]: Finished difference Result 1090 states and 1469 transitions. [2024-11-19 02:31:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 02:31:41,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 81 [2024-11-19 02:31:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:31:41,338 INFO L225 Difference]: With dead ends: 1090 [2024-11-19 02:31:41,339 INFO L226 Difference]: Without dead ends: 1087 [2024-11-19 02:31:41,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 02:31:41,342 INFO L432 NwaCegarLoop]: 944 mSDtfsCounter, 902 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-19 02:31:41,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 2018 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-19 02:31:41,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-19 02:31:41,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1073. [2024-11-19 02:31:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 922 states have (on average 1.322125813449024) internal successors, (1219), 930 states have internal predecessors, (1219), 111 states have call successors, (111), 34 states have call predecessors, (111), 39 states have return successors, (123), 113 states have call predecessors, (123), 109 states have call successors, (123) [2024-11-19 02:31:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1453 transitions. [2024-11-19 02:31:41,398 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1453 transitions. Word has length 81 [2024-11-19 02:31:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:31:41,398 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1453 transitions. [2024-11-19 02:31:41,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-19 02:31:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1453 transitions. [2024-11-19 02:31:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 02:31:41,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:31:41,401 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:31:41,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 02:31:41,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:31:41,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:31:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash -526109787, now seen corresponding path program 1 times [2024-11-19 02:31:41,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:31:41,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439507025] [2024-11-19 02:31:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 02:31:46,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:46,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439507025] [2024-11-19 02:31:46,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439507025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:31:46,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:31:46,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 02:31:46,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838684254] [2024-11-19 02:31:46,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:31:46,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 02:31:46,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:31:46,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 02:31:46,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 02:31:46,507 INFO L87 Difference]: Start difference. First operand 1073 states and 1453 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 02:31:47,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:31:47,727 INFO L93 Difference]: Finished difference Result 3191 states and 4329 transitions. [2024-11-19 02:31:47,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:31:47,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 98 [2024-11-19 02:31:47,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:31:47,738 INFO L225 Difference]: With dead ends: 3191 [2024-11-19 02:31:47,739 INFO L226 Difference]: Without dead ends: 2141 [2024-11-19 02:31:47,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:31:47,743 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 514 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 02:31:47,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1956 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 02:31:47,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2024-11-19 02:31:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 2093. [2024-11-19 02:31:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 1800 states have (on average 1.3283333333333334) internal successors, (2391), 1817 states have internal predecessors, (2391), 215 states have call successors, (215), 63 states have call predecessors, (215), 77 states have return successors, (244), 221 states have call predecessors, (244), 213 states have call successors, (244) [2024-11-19 02:31:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2850 transitions. [2024-11-19 02:31:47,838 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2850 transitions. Word has length 98 [2024-11-19 02:31:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:31:47,840 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2850 transitions. [2024-11-19 02:31:47,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 02:31:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2850 transitions. [2024-11-19 02:31:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 02:31:47,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:31:47,843 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:31:47,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 02:31:47,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:31:47,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:31:47,844 INFO L85 PathProgramCache]: Analyzing trace with hash -249967703, now seen corresponding path program 1 times [2024-11-19 02:31:47,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:31:47,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986806628] [2024-11-19 02:31:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:47,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:31:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:31:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 02:31:55,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:31:55,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986806628] [2024-11-19 02:31:55,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986806628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:31:55,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353820577] [2024-11-19 02:31:55,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:31:55,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:31:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:31:55,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:31:55,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:32:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:32:00,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 3176 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 02:32:00,437 INFO L278 TraceCheckSpWp]: Computing forward predicates...