./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:26:37,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:26:37,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:26:37,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:26:37,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:26:37,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:26:37,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:26:37,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:26:37,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:26:37,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:26:37,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:26:37,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:26:37,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:26:37,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:26:37,900 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:26:37,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:26:37,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:26:37,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:26:37,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:26:37,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:26:37,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:26:37,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:26:37,903 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:26:37,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:26:37,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:26:37,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:26:37,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:26:37,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:26:37,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:26:37,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:26:37,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:26:37,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:26:37,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:26:37,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:26:37,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:26:37,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:26:37,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:26:37,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:26:37,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:26:37,907 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2024-11-09 03:26:38,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:26:38,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:26:38,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:26:38,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:26:38,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:26:38,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-11-09 03:26:39,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:26:40,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:26:40,075 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-11-09 03:26:40,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48a947c99/558642929c41472eadb309675da11a9d/FLAGaf58ce01a [2024-11-09 03:26:40,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48a947c99/558642929c41472eadb309675da11a9d [2024-11-09 03:26:40,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:26:40,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:26:40,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:26:40,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:26:40,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:26:40,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:26:40" (1/1) ... [2024-11-09 03:26:40,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc99817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:40, skipping insertion in model container [2024-11-09 03:26:40,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:26:40" (1/1) ... [2024-11-09 03:26:40,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:26:41,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2024-11-09 03:26:41,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:26:41,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:26:41,674 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2024-11-09 03:26:41,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:26:41,748 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:26:41,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41 WrapperNode [2024-11-09 03:26:41,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:26:41,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:26:41,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:26:41,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:26:41,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:41,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:41,897 INFO L138 Inliner]: procedures = 82, calls = 541, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 2217 [2024-11-09 03:26:41,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:26:41,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:26:41,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:26:41,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:26:41,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:41,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:41,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,034 INFO L175 MemorySlicer]: Split 361 memory accesses to 21 slices as follows [2, 7, 2, 5, 1, 1, 1, 9, 9, 8, 8, 8, 48, 7, 7, 2, 1, 7, 8, 69, 151]. 42 percent of accesses are in the largest equivalence class. The 110 initializations are split as follows [2, 7, 0, 0, 0, 1, 1, 9, 9, 8, 8, 8, 14, 7, 7, 0, 0, 7, 8, 0, 14]. The 183 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 1, 0, 0, 69, 100]. [2024-11-09 03:26:42,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:26:42,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:26:42,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:26:42,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:26:42,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (1/1) ... [2024-11-09 03:26:42,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:26:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:26:42,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:26:42,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:26:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2024-11-09 03:26:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2024-11-09 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:26:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:26:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:26:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:26:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 03:26:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-09 03:26:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-09 03:26:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-09 03:26:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:26:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:26:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:26:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:26:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:26:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:26:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:26:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-09 03:26:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2024-11-09 03:26:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:26:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:26:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:26:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:26:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:26:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 03:26:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-09 03:26:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-09 03:26:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-09 03:26:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-09 03:26:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-09 03:26:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-09 03:26:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-09 03:26:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-09 03:26:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:26:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-09 03:26:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-09 03:26:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-09 03:26:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-09 03:26:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-09 03:26:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:26:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:26:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:26:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:26:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:26:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:26:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:26:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:26:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 03:26:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 03:26:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 03:26:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 03:26:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 03:26:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-09 03:26:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-09 03:26:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-09 03:26:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-09 03:26:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-09 03:26:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-09 03:26:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-09 03:26:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-09 03:26:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-09 03:26:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-09 03:26:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 03:26:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 03:26:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 03:26:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 03:26:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-09 03:26:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-09 03:26:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:26:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 03:26:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 03:26:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 03:26:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 03:26:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 03:26:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 03:26:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:26:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:26:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:26:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:26:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:26:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:26:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:26:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:26:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 03:26:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 03:26:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-09 03:26:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2024-11-09 03:26:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2024-11-09 03:26:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-09 03:26:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-09 03:26:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 03:26:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 03:26:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2024-11-09 03:26:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2024-11-09 03:26:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-09 03:26:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-09 03:26:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-11-09 03:26:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-11-09 03:26:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:26:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:26:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:26:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 03:26:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:26:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:26:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:26:42,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:26:42,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:26:43,004 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-09 03:26:43,005 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 03:26:43,060 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2024-11-09 03:26:43,060 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2024-11-09 03:26:43,119 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 03:26:43,125 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 03:26:43,147 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 03:26:51,980 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2024-11-09 03:26:51,981 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2024-11-09 03:26:51,981 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2024-11-09 03:26:51,981 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2024-11-09 03:26:51,981 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2024-11-09 03:26:51,981 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false; [2024-11-09 03:26:52,123 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-11-09 03:26:52,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:26:52,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:26:52,151 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-09 03:26:52,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:26:52 BoogieIcfgContainer [2024-11-09 03:26:52,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:26:52,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:26:52,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:26:52,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:26:52,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:26:40" (1/3) ... [2024-11-09 03:26:52,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c716098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:26:52, skipping insertion in model container [2024-11-09 03:26:52,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:26:41" (2/3) ... [2024-11-09 03:26:52,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c716098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:26:52, skipping insertion in model container [2024-11-09 03:26:52,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:26:52" (3/3) ... [2024-11-09 03:26:52,161 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-11-09 03:26:52,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:26:52,178 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:26:52,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:26:52,286 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;@4bd7d587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:26:52,287 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:26:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 330 states have (on average 1.481818181818182) internal successors, (489), 340 states have internal predecessors, (489), 46 states have call successors, (46), 15 states have call predecessors, (46), 14 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 03:26:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 03:26:52,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:26:52,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:26:52,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:26:52,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:26:52,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1954417122, now seen corresponding path program 1 times [2024-11-09 03:26:52,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:26:52,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941928331] [2024-11-09 03:26:52,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:26:52,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:26:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:26:58,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:26:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:26:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 03:26:58,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:26:58,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941928331] [2024-11-09 03:26:58,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941928331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:26:58,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:26:58,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:26:58,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13876306] [2024-11-09 03:26:58,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:26:58,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:26:58,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:26:58,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:26:58,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:26:58,275 INFO L87 Difference]: Start difference. First operand has 392 states, 330 states have (on average 1.481818181818182) internal successors, (489), 340 states have internal predecessors, (489), 46 states have call successors, (46), 15 states have call predecessors, (46), 14 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 03:27:02,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:27:06,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:27:06,506 INFO L93 Difference]: Finished difference Result 1134 states and 1694 transitions. [2024-11-09 03:27:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:27:06,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-09 03:27:06,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:27:06,526 INFO L225 Difference]: With dead ends: 1134 [2024-11-09 03:27:06,526 INFO L226 Difference]: Without dead ends: 754 [2024-11-09 03:27:06,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:27:06,535 INFO L432 NwaCegarLoop]: 485 mSDtfsCounter, 619 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 91 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:27:06,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1237 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2024-11-09 03:27:06,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-09 03:27:06,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 739. [2024-11-09 03:27:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 629 states have (on average 1.330683624801272) internal successors, (837), 639 states have internal predecessors, (837), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 03:27:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1002 transitions. [2024-11-09 03:27:06,647 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1002 transitions. Word has length 18 [2024-11-09 03:27:06,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:27:06,649 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1002 transitions. [2024-11-09 03:27:06,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 03:27:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1002 transitions. [2024-11-09 03:27:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 03:27:06,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:27:06,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:27:06,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:27:06,654 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:27:06,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:27:06,655 INFO L85 PathProgramCache]: Analyzing trace with hash 457272894, now seen corresponding path program 1 times [2024-11-09 03:27:06,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:27:06,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750913036] [2024-11-09 03:27:06,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:27:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:27:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:27:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 03:27:11,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:27:11,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750913036] [2024-11-09 03:27:11,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750913036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:27:11,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:27:11,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:27:11,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432133471] [2024-11-09 03:27:11,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:27:11,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:27:11,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:27:11,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:27:11,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:27:11,860 INFO L87 Difference]: Start difference. First operand 739 states and 1002 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 03:27:15,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:27:18,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:27:18,070 INFO L93 Difference]: Finished difference Result 753 states and 1019 transitions. [2024-11-09 03:27:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 03:27:18,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-09 03:27:18,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:27:18,075 INFO L225 Difference]: With dead ends: 753 [2024-11-09 03:27:18,076 INFO L226 Difference]: Without dead ends: 741 [2024-11-09 03:27:18,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:27:18,078 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 547 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:27:18,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 807 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-09 03:27:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-09 03:27:18,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 729. [2024-11-09 03:27:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 623 states have (on average 1.3274478330658106) internal successors, (827), 631 states have internal predecessors, (827), 81 states have call successors, (81), 25 states have call predecessors, (81), 24 states have return successors, (79), 77 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 03:27:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 987 transitions. [2024-11-09 03:27:18,127 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 987 transitions. Word has length 19 [2024-11-09 03:27:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:27:18,128 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 987 transitions. [2024-11-09 03:27:18,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 03:27:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 987 transitions. [2024-11-09 03:27:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 03:27:18,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:27:18,133 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:27:18,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 03:27:18,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:27:18,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:27:18,135 INFO L85 PathProgramCache]: Analyzing trace with hash 583670047, now seen corresponding path program 1 times [2024-11-09 03:27:18,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:27:18,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382555434] [2024-11-09 03:27:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:27:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:27:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:27:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:27:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:27:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 03:27:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:27:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:27:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 03:27:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 03:27:23,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:27:23,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382555434] [2024-11-09 03:27:23,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382555434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:27:23,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:27:23,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:27:23,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501116838] [2024-11-09 03:27:23,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:27:23,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:27:23,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:27:23,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:27:23,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:27:23,605 INFO L87 Difference]: Start difference. First operand 729 states and 987 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-11-09 03:27:27,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:27:31,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:27:39,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:27:39,091 INFO L93 Difference]: Finished difference Result 1441 states and 1952 transitions. [2024-11-09 03:27:39,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 03:27:39,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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 81 [2024-11-09 03:27:39,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:27:39,098 INFO L225 Difference]: With dead ends: 1441 [2024-11-09 03:27:39,099 INFO L226 Difference]: Without dead ends: 735 [2024-11-09 03:27:39,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 03:27:39,102 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 173 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 94 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1852 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-11-09 03:27:39,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1852 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 515 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2024-11-09 03:27:39,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-09 03:27:39,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 705. [2024-11-09 03:27:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 607 states have (on average 1.3261943986820428) internal successors, (805), 612 states have internal predecessors, (805), 74 states have call successors, (74), 24 states have call predecessors, (74), 23 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-09 03:27:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 951 transitions. [2024-11-09 03:27:39,146 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 951 transitions. Word has length 81 [2024-11-09 03:27:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:27:39,147 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 951 transitions. [2024-11-09 03:27:39,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-11-09 03:27:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 951 transitions. [2024-11-09 03:27:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 03:27:39,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:27:39,152 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:27:39,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 03:27:39,153 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:27:39,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:27:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1624463135, now seen corresponding path program 1 times [2024-11-09 03:27:39,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:27:39,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958920935] [2024-11-09 03:27:39,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:27:39,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:27:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:44,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:27:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:44,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:27:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:44,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:27:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:45,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 03:27:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:45,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:27:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:45,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 03:27:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:27:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:27:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 03:27:45,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:27:45,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958920935] [2024-11-09 03:27:45,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958920935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:27:45,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:27:45,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 03:27:45,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803714518] [2024-11-09 03:27:45,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:27:45,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 03:27:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:27:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 03:27:45,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 03:27:45,626 INFO L87 Difference]: Start difference. First operand 705 states and 951 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-11-09 03:27:49,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:27:53,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []