./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-dev-4a390ef-m [2024-10-24 13:05:09,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:05:09,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:05:09,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:05:09,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:05:09,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:05:09,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:05:09,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:05:09,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:05:09,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:05:09,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:05:09,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:05:09,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:05:09,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:05:09,380 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:05:09,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:05:09,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:05:09,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:05:09,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:05:09,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:05:09,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:05:09,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:05:09,382 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:05:09,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:05:09,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:05:09,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:05:09,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:05:09,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:05:09,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:05:09,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:05:09,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:05:09,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:05:09,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:05:09,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:05:09,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:05:09,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:05:09,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:05:09,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:05:09,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:05:09,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2024-10-24 13:05:09,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:05:09,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:05:09,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:05:09,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:05:09,627 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:05:09,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-10-24 13:05:11,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:05:11,646 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:05:11,647 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 [2024-10-24 13:05:11,685 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2ee49d7/8f0bd3cd8d4045db90342ce79df3af67/FLAG281b7412e [2024-10-24 13:05:11,892 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2ee49d7/8f0bd3cd8d4045db90342ce79df3af67 [2024-10-24 13:05:11,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:05:11,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:05:11,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:05:11,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:05:11,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:05:11,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:05:11" (1/1) ... [2024-10-24 13:05:11,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6908d27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:11, skipping insertion in model container [2024-10-24 13:05:11,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:05:11" (1/1) ... [2024-10-24 13:05:12,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:05:12,594 WARN L248 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] [2024-10-24 13:05:12,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:05:12,664 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:05:12,841 WARN L248 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] [2024-10-24 13:05:12,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:05:12,901 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:05:12,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12 WrapperNode [2024-10-24 13:05:12,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:05:12,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:05:12,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:05:12,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:05:12,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:12,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,002 INFO L138 Inliner]: procedures = 81, calls = 541, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1907 [2024-10-24 13:05:13,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:05:13,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:05:13,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:05:13,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:05:13,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,110 INFO L175 MemorySlicer]: Split 355 memory accesses to 21 slices as follows [2, 2, 7, 1, 1, 1, 9, 9, 8, 2, 8, 8, 47, 7, 7, 1, 67, 7, 8, 148, 5]. 42 percent of accesses are in the largest equivalence class. The 275 initializations are split as follows [2, 0, 7, 1, 1, 0, 9, 9, 8, 0, 8, 8, 26, 7, 7, 0, 65, 7, 8, 102, 0]. The 12 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 9, 0]. [2024-10-24 13:05:13,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:05:13,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:05:13,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:05:13,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:05:13,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (1/1) ... [2024-10-24 13:05:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:05:13,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:05:13,259 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) [2024-10-24 13:05:13,261 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 [2024-10-24 13:05:13,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:05:13,311 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2024-10-24 13:05:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2024-10-24 13:05:13,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:05:13,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 13:05:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2024-10-24 13:05:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:05:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:05:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 13:05:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 13:05:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 13:05:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 13:05:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 13:05:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 13:05:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-24 13:05:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-24 13:05:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-24 13:05:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-24 13:05:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:05:13,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-10-24 13:05:13,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:05:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:05:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 13:05:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:05:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:05:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 13:05:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-24 13:05:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2024-10-24 13:05:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2024-10-24 13:05:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-10-24 13:05:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-10-24 13:05:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:05:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:05:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2024-10-24 13:05:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2024-10-24 13:05:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-10-24 13:05:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-10-24 13:05:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-10-24 13:05:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-10-24 13:05:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:05:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:05:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 13:05:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-24 13:05:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:05:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:05:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:05:13,642 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:05:13,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:05:13,766 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-10-24 13:05:13,767 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 13:05:13,794 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2024-10-24 13:05:13,794 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2024-10-24 13:05:13,830 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 13:05:13,832 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 13:05:13,847 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 13:05:14,534 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2024-10-24 13:05:14,534 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2024-10-24 13:05:14,534 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2024-10-24 13:05:14,534 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2024-10-24 13:05:14,534 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2024-10-24 13:05:14,534 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false; [2024-10-24 13:05:14,619 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-10-24 13:05:14,619 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:05:14,737 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:05:14,738 INFO L314 CfgBuilder]: Removed 23 assume(true) statements. [2024-10-24 13:05:14,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:05:14 BoogieIcfgContainer [2024-10-24 13:05:14,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:05:14,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:05:14,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:05:14,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:05:14,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:05:11" (1/3) ... [2024-10-24 13:05:14,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43845749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:05:14, skipping insertion in model container [2024-10-24 13:05:14,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:05:12" (2/3) ... [2024-10-24 13:05:14,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43845749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:05:14, skipping insertion in model container [2024-10-24 13:05:14,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:05:14" (3/3) ... [2024-10-24 13:05:14,745 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-10-24 13:05:14,759 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:05:14,759 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:05:14,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:05:14,818 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;@37c13462, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:05:14,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:05:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 304 states, 242 states have (on average 1.6570247933884297) internal successors, (401), 252 states have internal predecessors, (401), 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) [2024-10-24 13:05:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 13:05:14,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:14,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:05:14,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:14,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:14,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1744217604, now seen corresponding path program 1 times [2024-10-24 13:05:14,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:14,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907011095] [2024-10-24 13:05:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:05:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:17,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907011095] [2024-10-24 13:05:17,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907011095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:17,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:17,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:05:17,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195520470] [2024-10-24 13:05:17,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:17,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:05:17,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:17,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:05:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:05:17,100 INFO L87 Difference]: Start difference. First operand has 304 states, 242 states have (on average 1.6570247933884297) internal successors, (401), 252 states have internal predecessors, (401), 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 6 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-10-24 13:05:18,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:18,035 INFO L93 Difference]: Finished difference Result 602 states and 980 transitions. [2024-10-24 13:05:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:05:18,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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 15 [2024-10-24 13:05:18,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:18,046 INFO L225 Difference]: With dead ends: 602 [2024-10-24 13:05:18,047 INFO L226 Difference]: Without dead ends: 298 [2024-10-24 13:05:18,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:18,052 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 452 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:18,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1004 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:05:18,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-10-24 13:05:18,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-10-24 13:05:18,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 239 states have (on average 1.4435146443514644) internal successors, (345), 246 states have internal predecessors, (345), 45 states have call successors, (45), 14 states have call predecessors, (45), 13 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 13:05:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 432 transitions. [2024-10-24 13:05:18,107 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 432 transitions. Word has length 15 [2024-10-24 13:05:18,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:18,108 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 432 transitions. [2024-10-24 13:05:18,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-10-24 13:05:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 432 transitions. [2024-10-24 13:05:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 13:05:18,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:18,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:05:18,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:05:18,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:18,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:18,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2002383042, now seen corresponding path program 1 times [2024-10-24 13:05:18,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:18,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116074139] [2024-10-24 13:05:18,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:18,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:19,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:05:19,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:19,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116074139] [2024-10-24 13:05:19,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116074139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:19,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:19,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:05:19,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837109699] [2024-10-24 13:05:19,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:19,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:05:19,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:19,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:05:19,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:05:19,491 INFO L87 Difference]: Start difference. First operand 298 states and 432 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-10-24 13:05:20,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:20,255 INFO L93 Difference]: Finished difference Result 860 states and 1254 transitions. [2024-10-24 13:05:20,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:05:20,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15 [2024-10-24 13:05:20,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:20,260 INFO L225 Difference]: With dead ends: 860 [2024-10-24 13:05:20,260 INFO L226 Difference]: Without dead ends: 577 [2024-10-24 13:05:20,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:05:20,262 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 486 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:20,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 839 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 13:05:20,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-10-24 13:05:20,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 574. [2024-10-24 13:05:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 464 states have (on average 1.4461206896551724) internal successors, (671), 474 states have internal predecessors, (671), 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) [2024-10-24 13:05:20,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 836 transitions. [2024-10-24 13:05:20,319 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 836 transitions. Word has length 15 [2024-10-24 13:05:20,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:20,320 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 836 transitions. [2024-10-24 13:05:20,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-10-24 13:05:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 836 transitions. [2024-10-24 13:05:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 13:05:20,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:20,321 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:05:20,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:05:20,321 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:20,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:20,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1944216414, now seen corresponding path program 1 times [2024-10-24 13:05:20,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:20,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91144858] [2024-10-24 13:05:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:20,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:21,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:05:21,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91144858] [2024-10-24 13:05:21,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91144858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:21,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:21,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:05:21,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564302695] [2024-10-24 13:05:21,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:21,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:05:21,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:21,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:05:21,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:05:21,449 INFO L87 Difference]: Start difference. First operand 574 states and 836 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-24 13:05:22,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:22,019 INFO L93 Difference]: Finished difference Result 576 states and 837 transitions. [2024-10-24 13:05:22,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 13:05:22,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 16 [2024-10-24 13:05:22,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:22,022 INFO L225 Difference]: With dead ends: 576 [2024-10-24 13:05:22,022 INFO L226 Difference]: Without dead ends: 565 [2024-10-24 13:05:22,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:05:22,024 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 440 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:22,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 539 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:05:22,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-24 13:05:22,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-10-24 13:05:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 459 states have (on average 1.4422657952069717) internal successors, (662), 467 states have internal predecessors, (662), 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) [2024-10-24 13:05:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 822 transitions. [2024-10-24 13:05:22,065 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 822 transitions. Word has length 16 [2024-10-24 13:05:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:22,066 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 822 transitions. [2024-10-24 13:05:22,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-24 13:05:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 822 transitions. [2024-10-24 13:05:22,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 13:05:22,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:22,073 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] [2024-10-24 13:05:22,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:05:22,076 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:22,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:22,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1216790774, now seen corresponding path program 1 times [2024-10-24 13:05:22,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:22,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765206103] [2024-10-24 13:05:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:05:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:05:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:05:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:23,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:23,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765206103] [2024-10-24 13:05:23,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765206103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:23,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:23,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:05:23,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214253207] [2024-10-24 13:05:23,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:23,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:05:23,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:23,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:05:23,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:05:23,840 INFO L87 Difference]: Start difference. First operand 565 states and 822 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-24 13:05:24,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:24,806 INFO L93 Difference]: Finished difference Result 1103 states and 1609 transitions. [2024-10-24 13:05:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:05:24,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 65 [2024-10-24 13:05:24,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:24,810 INFO L225 Difference]: With dead ends: 1103 [2024-10-24 13:05:24,810 INFO L226 Difference]: Without dead ends: 555 [2024-10-24 13:05:24,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:05:24,811 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 127 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:24,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1262 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 13:05:24,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-24 13:05:24,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2024-10-24 13:05:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 445 states have (on average 1.442696629213483) internal successors, (642), 450 states have internal predecessors, (642), 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) [2024-10-24 13:05:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 788 transitions. [2024-10-24 13:05:24,840 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 788 transitions. Word has length 65 [2024-10-24 13:05:24,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:24,841 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 788 transitions. [2024-10-24 13:05:24,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-24 13:05:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 788 transitions. [2024-10-24 13:05:24,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 13:05:24,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:24,842 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 13:05:24,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:05:24,843 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:24,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1461730059, now seen corresponding path program 1 times [2024-10-24 13:05:24,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:24,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375211013] [2024-10-24 13:05:24,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:24,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:05:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:05:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:05:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:05:26,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:26,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375211013] [2024-10-24 13:05:26,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375211013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:26,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:26,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:05:26,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961926008] [2024-10-24 13:05:26,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:26,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:05:26,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:05:26,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:05:26,364 INFO L87 Difference]: Start difference. First operand 543 states and 788 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-24 13:05:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:27,662 INFO L93 Difference]: Finished difference Result 842 states and 1222 transitions. [2024-10-24 13:05:27,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:05:27,664 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-10-24 13:05:27,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:27,668 INFO L225 Difference]: With dead ends: 842 [2024-10-24 13:05:27,668 INFO L226 Difference]: Without dead ends: 559 [2024-10-24 13:05:27,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:05:27,669 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 127 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:27,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 2046 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:05:27,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-24 13:05:27,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 555. [2024-10-24 13:05:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 453 states have (on average 1.434878587196468) internal successors, (650), 458 states have internal predecessors, (650), 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) [2024-10-24 13:05:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 804 transitions. [2024-10-24 13:05:27,695 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 804 transitions. Word has length 61 [2024-10-24 13:05:27,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:27,696 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 804 transitions. [2024-10-24 13:05:27,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-24 13:05:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 804 transitions. [2024-10-24 13:05:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 13:05:27,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:27,700 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 13:05:27,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:05:27,700 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:27,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1206993514, now seen corresponding path program 1 times [2024-10-24 13:05:27,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:27,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950047299] [2024-10-24 13:05:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:27,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:05:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:05:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:05:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:05:29,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:29,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950047299] [2024-10-24 13:05:29,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950047299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:29,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:29,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 13:05:29,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881483911] [2024-10-24 13:05:29,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:29,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 13:05:29,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:29,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 13:05:29,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:05:29,186 INFO L87 Difference]: Start difference. First operand 555 states and 804 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-24 13:05:30,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:30,550 INFO L93 Difference]: Finished difference Result 849 states and 1229 transitions. [2024-10-24 13:05:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 13:05:30,550 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-10-24 13:05:30,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:30,553 INFO L225 Difference]: With dead ends: 849 [2024-10-24 13:05:30,553 INFO L226 Difference]: Without dead ends: 560 [2024-10-24 13:05:30,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:30,554 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 142 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:30,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 2532 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:05:30,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-10-24 13:05:30,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 555. [2024-10-24 13:05:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 453 states have (on average 1.4326710816777042) internal successors, (649), 458 states have internal predecessors, (649), 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) [2024-10-24 13:05:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 803 transitions. [2024-10-24 13:05:30,570 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 803 transitions. Word has length 61 [2024-10-24 13:05:30,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:30,570 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 803 transitions. [2024-10-24 13:05:30,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-24 13:05:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 803 transitions. [2024-10-24 13:05:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 13:05:30,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:30,572 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] [2024-10-24 13:05:30,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:05:30,572 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:30,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:30,572 INFO L85 PathProgramCache]: Analyzing trace with hash -731273453, now seen corresponding path program 1 times [2024-10-24 13:05:30,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:30,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016301096] [2024-10-24 13:05:30,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:30,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:05:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:05:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:05:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:31,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:31,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016301096] [2024-10-24 13:05:31,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016301096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:31,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:31,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:05:31,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290408536] [2024-10-24 13:05:31,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:31,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:05:31,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:05:31,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:05:31,933 INFO L87 Difference]: Start difference. First operand 555 states and 803 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 5 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-24 13:05:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:33,107 INFO L93 Difference]: Finished difference Result 851 states and 1231 transitions. [2024-10-24 13:05:33,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:05:33,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 5 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 65 [2024-10-24 13:05:33,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:33,111 INFO L225 Difference]: With dead ends: 851 [2024-10-24 13:05:33,112 INFO L226 Difference]: Without dead ends: 848 [2024-10-24 13:05:33,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:05:33,112 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 992 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:33,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1054 Valid, 2024 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:05:33,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-10-24 13:05:33,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 830. [2024-10-24 13:05:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 679 states have (on average 1.4359351988217968) internal successors, (975), 687 states have internal predecessors, (975), 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) [2024-10-24 13:05:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1209 transitions. [2024-10-24 13:05:33,137 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1209 transitions. Word has length 65 [2024-10-24 13:05:33,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:33,138 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1209 transitions. [2024-10-24 13:05:33,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 5 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-24 13:05:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1209 transitions. [2024-10-24 13:05:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 13:05:33,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:33,139 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] [2024-10-24 13:05:33,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:05:33,139 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:33,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:33,140 INFO L85 PathProgramCache]: Analyzing trace with hash 781143708, now seen corresponding path program 1 times [2024-10-24 13:05:33,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:33,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892398750] [2024-10-24 13:05:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:05:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:05:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:05:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:05:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 13:05:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:34,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:34,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892398750] [2024-10-24 13:05:34,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892398750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:34,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:34,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:34,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562808803] [2024-10-24 13:05:34,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:34,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:34,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:34,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:34,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:34,444 INFO L87 Difference]: Start difference. First operand 830 states and 1209 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:35,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:35,925 INFO L93 Difference]: Finished difference Result 2484 states and 3627 transitions. [2024-10-24 13:05:35,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:35,926 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 79 [2024-10-24 13:05:35,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:35,933 INFO L225 Difference]: With dead ends: 2484 [2024-10-24 13:05:35,933 INFO L226 Difference]: Without dead ends: 1671 [2024-10-24 13:05:35,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:35,936 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 741 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:35,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1776 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:05:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-10-24 13:05:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1640. [2024-10-24 13:05:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1345 states have (on average 1.4386617100371748) internal successors, (1935), 1364 states have internal predecessors, (1935), 215 states have call successors, (215), 63 states have call predecessors, (215), 79 states have return successors, (248), 221 states have call predecessors, (248), 213 states have call successors, (248) [2024-10-24 13:05:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2398 transitions. [2024-10-24 13:05:35,999 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2398 transitions. Word has length 79 [2024-10-24 13:05:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:36,000 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 2398 transitions. [2024-10-24 13:05:36,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2398 transitions. [2024-10-24 13:05:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 13:05:36,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:36,002 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] [2024-10-24 13:05:36,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:05:36,002 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:36,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2135132568, now seen corresponding path program 1 times [2024-10-24 13:05:36,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:36,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211614547] [2024-10-24 13:05:36,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:36,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:05:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:05:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:05:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:05:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 13:05:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:37,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:37,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211614547] [2024-10-24 13:05:37,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211614547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:37,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:37,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:05:37,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336045159] [2024-10-24 13:05:37,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:37,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:05:37,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:37,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:05:37,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:05:37,215 INFO L87 Difference]: Start difference. First operand 1640 states and 2398 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:38,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:38,208 INFO L93 Difference]: Finished difference Result 3263 states and 4771 transitions. [2024-10-24 13:05:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:05:38,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 79 [2024-10-24 13:05:38,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:38,215 INFO L225 Difference]: With dead ends: 3263 [2024-10-24 13:05:38,215 INFO L226 Difference]: Without dead ends: 1634 [2024-10-24 13:05:38,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:05:38,218 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 562 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:38,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1175 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 13:05:38,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-10-24 13:05:38,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1622. [2024-10-24 13:05:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1336 states have (on average 1.4348802395209581) internal successors, (1917), 1352 states have internal predecessors, (1917), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2365 transitions. [2024-10-24 13:05:38,282 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2365 transitions. Word has length 79 [2024-10-24 13:05:38,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:38,282 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2365 transitions. [2024-10-24 13:05:38,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2365 transitions. [2024-10-24 13:05:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 13:05:38,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:38,285 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] [2024-10-24 13:05:38,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:05:38,285 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:38,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -404862092, now seen corresponding path program 1 times [2024-10-24 13:05:38,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:38,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718237788] [2024-10-24 13:05:38,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:38,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:05:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 13:05:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:05:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:05:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:05:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:39,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:39,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718237788] [2024-10-24 13:05:39,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718237788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:39,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:39,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:39,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649760454] [2024-10-24 13:05:39,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:39,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:39,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:39,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:39,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:39,517 INFO L87 Difference]: Start difference. First operand 1622 states and 2365 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:40,823 INFO L93 Difference]: Finished difference Result 3270 states and 4756 transitions. [2024-10-24 13:05:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:40,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 81 [2024-10-24 13:05:40,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:40,831 INFO L225 Difference]: With dead ends: 3270 [2024-10-24 13:05:40,831 INFO L226 Difference]: Without dead ends: 1656 [2024-10-24 13:05:40,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:40,835 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 736 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:40,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1760 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:05:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2024-10-24 13:05:40,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1622. [2024-10-24 13:05:40,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1336 states have (on average 1.4326347305389222) internal successors, (1914), 1352 states have internal predecessors, (1914), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2362 transitions. [2024-10-24 13:05:40,908 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2362 transitions. Word has length 81 [2024-10-24 13:05:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:40,909 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2362 transitions. [2024-10-24 13:05:40,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2362 transitions. [2024-10-24 13:05:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-24 13:05:40,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:40,910 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, 1] [2024-10-24 13:05:40,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 13:05:40,911 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:40,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:40,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1132490094, now seen corresponding path program 1 times [2024-10-24 13:05:40,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:40,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813366124] [2024-10-24 13:05:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:40,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:05:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:05:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:05:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 13:05:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:05:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:42,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:42,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813366124] [2024-10-24 13:05:42,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813366124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:42,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:42,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:42,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97590643] [2024-10-24 13:05:42,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:42,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:42,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:42,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:42,278 INFO L87 Difference]: Start difference. First operand 1622 states and 2362 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:43,718 INFO L93 Difference]: Finished difference Result 3267 states and 4747 transitions. [2024-10-24 13:05:43,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:43,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 82 [2024-10-24 13:05:43,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:43,726 INFO L225 Difference]: With dead ends: 3267 [2024-10-24 13:05:43,726 INFO L226 Difference]: Without dead ends: 1653 [2024-10-24 13:05:43,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:43,730 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 723 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:43,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1760 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:05:43,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2024-10-24 13:05:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1619. [2024-10-24 13:05:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1333 states have (on average 1.431357839459865) internal successors, (1908), 1349 states have internal predecessors, (1908), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2356 transitions. [2024-10-24 13:05:43,809 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2356 transitions. Word has length 82 [2024-10-24 13:05:43,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:43,809 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2356 transitions. [2024-10-24 13:05:43,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2356 transitions. [2024-10-24 13:05:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-24 13:05:43,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:43,812 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, 1, 1] [2024-10-24 13:05:43,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 13:05:43,812 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:43,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:43,812 INFO L85 PathProgramCache]: Analyzing trace with hash 126058003, now seen corresponding path program 1 times [2024-10-24 13:05:43,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:43,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407530910] [2024-10-24 13:05:43,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:43,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 13:05:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:05:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:05:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:05:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:05:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:45,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:45,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407530910] [2024-10-24 13:05:45,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407530910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:45,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:45,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:45,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458082325] [2024-10-24 13:05:45,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:45,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:45,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:45,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:45,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:45,094 INFO L87 Difference]: Start difference. First operand 1619 states and 2356 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:46,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:46,299 INFO L93 Difference]: Finished difference Result 3264 states and 4738 transitions. [2024-10-24 13:05:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:46,299 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 83 [2024-10-24 13:05:46,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:46,306 INFO L225 Difference]: With dead ends: 3264 [2024-10-24 13:05:46,306 INFO L226 Difference]: Without dead ends: 1653 [2024-10-24 13:05:46,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:46,309 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 720 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:46,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 1760 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:05:46,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2024-10-24 13:05:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1619. [2024-10-24 13:05:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1333 states have (on average 1.4291072768192048) internal successors, (1905), 1349 states have internal predecessors, (1905), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2353 transitions. [2024-10-24 13:05:46,410 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2353 transitions. Word has length 83 [2024-10-24 13:05:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:46,410 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2353 transitions. [2024-10-24 13:05:46,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2353 transitions. [2024-10-24 13:05:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 13:05:46,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:46,412 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, 1, 1, 1] [2024-10-24 13:05:46,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 13:05:46,412 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:46,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:46,412 INFO L85 PathProgramCache]: Analyzing trace with hash -988228371, now seen corresponding path program 1 times [2024-10-24 13:05:46,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:46,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871003768] [2024-10-24 13:05:46,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:46,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 13:05:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:05:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 13:05:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:05:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:05:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:47,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:47,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871003768] [2024-10-24 13:05:47,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871003768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:47,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:47,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:47,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621075077] [2024-10-24 13:05:47,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:47,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:47,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:47,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:47,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:47,608 INFO L87 Difference]: Start difference. First operand 1619 states and 2353 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:48,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:48,965 INFO L93 Difference]: Finished difference Result 3261 states and 4729 transitions. [2024-10-24 13:05:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:48,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 84 [2024-10-24 13:05:48,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:48,972 INFO L225 Difference]: With dead ends: 3261 [2024-10-24 13:05:48,972 INFO L226 Difference]: Without dead ends: 1650 [2024-10-24 13:05:48,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:48,975 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 707 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:48,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1760 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:05:48,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2024-10-24 13:05:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1616. [2024-10-24 13:05:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1330 states have (on average 1.4278195488721805) internal successors, (1899), 1346 states have internal predecessors, (1899), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2347 transitions. [2024-10-24 13:05:49,031 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2347 transitions. Word has length 84 [2024-10-24 13:05:49,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:49,032 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 2347 transitions. [2024-10-24 13:05:49,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2347 transitions. [2024-10-24 13:05:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 13:05:49,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:49,033 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, 1, 1, 1] [2024-10-24 13:05:49,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 13:05:49,034 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:49,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:49,034 INFO L85 PathProgramCache]: Analyzing trace with hash 963167282, now seen corresponding path program 1 times [2024-10-24 13:05:49,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:49,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933509784] [2024-10-24 13:05:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 13:05:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:05:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 13:05:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:05:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:05:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:50,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:50,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933509784] [2024-10-24 13:05:50,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933509784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:50,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:50,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220564363] [2024-10-24 13:05:50,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:50,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:50,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:50,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:50,547 INFO L87 Difference]: Start difference. First operand 1616 states and 2347 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:51,805 INFO L93 Difference]: Finished difference Result 3252 states and 4714 transitions. [2024-10-24 13:05:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:51,805 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 84 [2024-10-24 13:05:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:51,811 INFO L225 Difference]: With dead ends: 3252 [2024-10-24 13:05:51,812 INFO L226 Difference]: Without dead ends: 1647 [2024-10-24 13:05:51,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:51,815 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 697 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:51,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 1760 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:05:51,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2024-10-24 13:05:51,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1616. [2024-10-24 13:05:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1330 states have (on average 1.4255639097744361) internal successors, (1896), 1346 states have internal predecessors, (1896), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2344 transitions. [2024-10-24 13:05:51,871 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2344 transitions. Word has length 84 [2024-10-24 13:05:51,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:51,871 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 2344 transitions. [2024-10-24 13:05:51,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2344 transitions. [2024-10-24 13:05:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 13:05:51,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:51,873 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, 1, 1, 1, 1] [2024-10-24 13:05:51,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 13:05:51,873 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:51,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:51,874 INFO L85 PathProgramCache]: Analyzing trace with hash 188322226, now seen corresponding path program 1 times [2024-10-24 13:05:51,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:51,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275986350] [2024-10-24 13:05:51,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:51,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 13:05:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 13:05:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:05:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 13:05:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 13:05:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:53,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:53,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275986350] [2024-10-24 13:05:53,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275986350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:53,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:53,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:53,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498013164] [2024-10-24 13:05:53,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:53,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:53,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:53,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:53,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:53,106 INFO L87 Difference]: Start difference. First operand 1616 states and 2344 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:54,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:54,334 INFO L93 Difference]: Finished difference Result 3252 states and 4708 transitions. [2024-10-24 13:05:54,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:54,334 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 85 [2024-10-24 13:05:54,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:54,342 INFO L225 Difference]: With dead ends: 3252 [2024-10-24 13:05:54,342 INFO L226 Difference]: Without dead ends: 1647 [2024-10-24 13:05:54,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:54,345 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 691 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:54,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 1760 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:05:54,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2024-10-24 13:05:54,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1616. [2024-10-24 13:05:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1330 states have (on average 1.4233082706766917) internal successors, (1893), 1346 states have internal predecessors, (1893), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2341 transitions. [2024-10-24 13:05:54,415 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2341 transitions. Word has length 85 [2024-10-24 13:05:54,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:54,416 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 2341 transitions. [2024-10-24 13:05:54,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2341 transitions. [2024-10-24 13:05:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-24 13:05:54,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:54,419 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, 1, 1, 1, 1, 1] [2024-10-24 13:05:54,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 13:05:54,419 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:54,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1366560811, now seen corresponding path program 1 times [2024-10-24 13:05:54,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:54,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934874220] [2024-10-24 13:05:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:05:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:05:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 13:05:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 13:05:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 13:05:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:55,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:55,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934874220] [2024-10-24 13:05:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934874220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:55,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:55,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788945957] [2024-10-24 13:05:55,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:55,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:55,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:55,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:55,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:55,677 INFO L87 Difference]: Start difference. First operand 1616 states and 2341 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:56,972 INFO L93 Difference]: Finished difference Result 3252 states and 4702 transitions. [2024-10-24 13:05:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:56,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 86 [2024-10-24 13:05:56,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:56,979 INFO L225 Difference]: With dead ends: 3252 [2024-10-24 13:05:56,979 INFO L226 Difference]: Without dead ends: 1647 [2024-10-24 13:05:56,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:56,982 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 685 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:56,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 1760 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:05:56,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2024-10-24 13:05:57,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1616. [2024-10-24 13:05:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1330 states have (on average 1.4210526315789473) internal successors, (1890), 1346 states have internal predecessors, (1890), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2338 transitions. [2024-10-24 13:05:57,038 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2338 transitions. Word has length 86 [2024-10-24 13:05:57,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:57,038 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 2338 transitions. [2024-10-24 13:05:57,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2338 transitions. [2024-10-24 13:05:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 13:05:57,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:57,040 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, 1, 1, 1, 1, 1, 1] [2024-10-24 13:05:57,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 13:05:57,040 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:57,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1574064713, now seen corresponding path program 1 times [2024-10-24 13:05:57,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:57,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515979010] [2024-10-24 13:05:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:57,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:05:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:05:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:05:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:05:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:05:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:05:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 13:05:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 13:05:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:05:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:05:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:05:58,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:05:58,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515979010] [2024-10-24 13:05:58,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515979010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:05:58,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:05:58,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:05:58,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899759861] [2024-10-24 13:05:58,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:05:58,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:05:58,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:05:58,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:05:58,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:05:58,387 INFO L87 Difference]: Start difference. First operand 1616 states and 2338 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:05:59,798 INFO L93 Difference]: Finished difference Result 3252 states and 4696 transitions. [2024-10-24 13:05:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:05:59,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 87 [2024-10-24 13:05:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:05:59,806 INFO L225 Difference]: With dead ends: 3252 [2024-10-24 13:05:59,806 INFO L226 Difference]: Without dead ends: 1647 [2024-10-24 13:05:59,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:05:59,809 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 684 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:05:59,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1760 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:05:59,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2024-10-24 13:05:59,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1616. [2024-10-24 13:05:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1330 states have (on average 1.418796992481203) internal successors, (1887), 1346 states have internal predecessors, (1887), 209 states have call successors, (209), 63 states have call predecessors, (209), 76 states have return successors, (239), 215 states have call predecessors, (239), 207 states have call successors, (239) [2024-10-24 13:05:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2335 transitions. [2024-10-24 13:05:59,897 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2335 transitions. Word has length 87 [2024-10-24 13:05:59,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:05:59,898 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 2335 transitions. [2024-10-24 13:05:59,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 13:05:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2335 transitions. [2024-10-24 13:05:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 13:05:59,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:05:59,900 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, 1, 1, 1, 1, 1, 1] [2024-10-24 13:05:59,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 13:05:59,901 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:05:59,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:05:59,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1334117173, now seen corresponding path program 1 times [2024-10-24 13:05:59,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:05:59,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082974574] [2024-10-24 13:05:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:05:59,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:06:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:06:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:06:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:06:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:06:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:06:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 13:06:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 13:06:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 13:06:01,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:06:01,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082974574] [2024-10-24 13:06:01,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082974574] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:06:01,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385226558] [2024-10-24 13:06:01,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:06:01,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:06:01,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:06:01,405 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) [2024-10-24 13:06:01,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:06:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:03,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 2063 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 13:06:03,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:06:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 13:06:03,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:06:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 13:06:03,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385226558] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:06:03,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:06:03,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 23 [2024-10-24 13:06:03,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792721488] [2024-10-24 13:06:03,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:06:03,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-24 13:06:03,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:06:03,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-24 13:06:03,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2024-10-24 13:06:03,413 INFO L87 Difference]: Start difference. First operand 1616 states and 2335 transitions. Second operand has 23 states, 21 states have (on average 4.285714285714286) internal successors, (90), 16 states have internal predecessors, (90), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2024-10-24 13:06:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:06:05,993 INFO L93 Difference]: Finished difference Result 2769 states and 3985 transitions. [2024-10-24 13:06:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 13:06:05,995 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.285714285714286) internal successors, (90), 16 states have internal predecessors, (90), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) Word has length 87 [2024-10-24 13:06:05,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:06:06,003 INFO L225 Difference]: With dead ends: 2769 [2024-10-24 13:06:06,003 INFO L226 Difference]: Without dead ends: 1170 [2024-10-24 13:06:06,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=1260, Unknown=0, NotChecked=0, Total=1406 [2024-10-24 13:06:06,010 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 210 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 3418 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 5228 SdHoareTripleChecker+Invalid, 3573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 3418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:06:06,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 5228 Invalid, 3573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 3418 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 13:06:06,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2024-10-24 13:06:06,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1152. [2024-10-24 13:06:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 938 states have (on average 1.4008528784648189) internal successors, (1314), 950 states have internal predecessors, (1314), 153 states have call successors, (153), 55 states have call predecessors, (153), 60 states have return successors, (167), 153 states have call predecessors, (167), 151 states have call successors, (167) [2024-10-24 13:06:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1634 transitions. [2024-10-24 13:06:06,082 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1634 transitions. Word has length 87 [2024-10-24 13:06:06,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:06:06,082 INFO L471 AbstractCegarLoop]: Abstraction has 1152 states and 1634 transitions. [2024-10-24 13:06:06,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.285714285714286) internal successors, (90), 16 states have internal predecessors, (90), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2024-10-24 13:06:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1634 transitions. [2024-10-24 13:06:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 13:06:06,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:06:06,084 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:06:06,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 13:06:06,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 13:06:06,285 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:06:06,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:06:06,286 INFO L85 PathProgramCache]: Analyzing trace with hash -967349264, now seen corresponding path program 1 times [2024-10-24 13:06:06,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:06:06,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178453123] [2024-10-24 13:06:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:06:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:06:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:06:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:06:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:06:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:06:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:06:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 13:06:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 13:06:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:06:07,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:06:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178453123] [2024-10-24 13:06:07,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178453123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:06:07,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:06:07,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:06:07,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289444465] [2024-10-24 13:06:07,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:06:07,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:06:07,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:06:07,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:06:07,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:06:07,672 INFO L87 Difference]: Start difference. First operand 1152 states and 1634 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 13:06:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:06:08,895 INFO L93 Difference]: Finished difference Result 2307 states and 3270 transitions. [2024-10-24 13:06:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:06:08,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 5 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 89 [2024-10-24 13:06:08,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:06:08,900 INFO L225 Difference]: With dead ends: 2307 [2024-10-24 13:06:08,901 INFO L226 Difference]: Without dead ends: 1164 [2024-10-24 13:06:08,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:06:08,903 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 191 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:06:08,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1994 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:06:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-10-24 13:06:08,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1148. [2024-10-24 13:06:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 936 states have (on average 1.3995726495726495) internal successors, (1310), 947 states have internal predecessors, (1310), 152 states have call successors, (152), 54 states have call predecessors, (152), 59 states have return successors, (166), 152 states have call predecessors, (166), 150 states have call successors, (166) [2024-10-24 13:06:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1628 transitions. [2024-10-24 13:06:08,954 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1628 transitions. Word has length 89 [2024-10-24 13:06:08,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:06:08,954 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1628 transitions. [2024-10-24 13:06:08,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 13:06:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1628 transitions. [2024-10-24 13:06:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 13:06:08,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:06:08,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:06:08,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 13:06:08,956 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:06:08,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:06:08,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1895959639, now seen corresponding path program 1 times [2024-10-24 13:06:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:06:08,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995205246] [2024-10-24 13:06:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:06:08,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:06:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:06:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 13:06:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:06:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 13:06:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 13:06:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 13:06:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 13:06:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 13:06:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:06:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:06:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:06:10,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:06:10,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995205246] [2024-10-24 13:06:10,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995205246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:06:10,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:06:10,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:06:10,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958260406] [2024-10-24 13:06:10,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:06:10,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:06:10,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:06:10,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:06:10,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:06:10,353 INFO L87 Difference]: Start difference. First operand 1148 states and 1628 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-24 13:06:11,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:06:11,366 INFO L93 Difference]: Finished difference Result 1208 states and 1686 transitions. [2024-10-24 13:06:11,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:06:11,367 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 93 [2024-10-24 13:06:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:06:11,369 INFO L225 Difference]: With dead ends: 1208 [2024-10-24 13:06:11,369 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 13:06:11,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:06:11,371 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 580 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:06:11,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1385 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 13:06:11,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 13:06:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 13:06:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:06:11,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 13:06:11,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2024-10-24 13:06:11,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:06:11,373 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 13:06:11,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-24 13:06:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 13:06:11,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 13:06:11,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 13:06:11,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 13:06:11,379 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:06:11,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.