./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:46:20,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:46:20,141 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:46:20,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:46:20,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:46:20,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:46:20,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:46:20,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:46:20,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:46:20,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:46:20,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:46:20,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:46:20,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:46:20,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:46:20,185 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:46:20,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:46:20,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:46:20,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:46:20,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:46:20,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:46:20,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:46:20,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:46:20,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:46:20,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:46:20,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:46:20,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:46:20,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:46:20,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:46:20,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:46:20,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:46:20,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:46:20,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:46:20,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:46:20,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:46:20,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:46:20,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:46:20,193 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:46:20,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:46:20,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:46:20,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a [2024-11-19 03:46:20,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:46:20,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:46:20,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:46:20,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:46:20,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:46:20,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-19 03:46:22,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:46:22,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:46:22,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-19 03:46:22,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d307d50ea/9f276aa6933847938f505978a88edd9d/FLAGaec34878e [2024-11-19 03:46:22,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d307d50ea/9f276aa6933847938f505978a88edd9d [2024-11-19 03:46:22,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:46:22,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:46:22,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:46:22,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:46:22,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:46:22,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:22" (1/1) ... [2024-11-19 03:46:22,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfecc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:22, skipping insertion in model container [2024-11-19 03:46:22,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:22" (1/1) ... [2024-11-19 03:46:22,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:46:23,783 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2024-11-19 03:46:23,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:46:23,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:46:24,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3154] [2024-11-19 03:46:24,150 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2024-11-19 03:46:24,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:46:24,222 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:46:24,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24 WrapperNode [2024-11-19 03:46:24,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:46:24,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:46:24,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:46:24,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:46:24,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,395 INFO L138 Inliner]: procedures = 175, calls = 840, calls flagged for inlining = 50, calls inlined = 47, statements flattened = 2186 [2024-11-19 03:46:24,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:46:24,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:46:24,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:46:24,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:46:24,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,736 INFO L175 MemorySlicer]: Split 389 memory accesses to 16 slices as follows [2, 4, 14, 5, 36, 9, 215, 7, 1, 3, 4, 5, 41, 6, 5, 32]. 55 percent of accesses are in the largest equivalence class. The 36 initializations are split as follows [2, 4, 0, 5, 0, 0, 0, 7, 1, 3, 4, 5, 0, 0, 5, 0]. The 151 writes are split as follows [0, 0, 12, 0, 2, 7, 54, 0, 0, 0, 0, 0, 41, 3, 0, 32]. [2024-11-19 03:46:24,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:46:24,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:46:24,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:46:24,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:46:24,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (1/1) ... [2024-11-19 03:46:24,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:46:24,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:46:24,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:46:24,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:46:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-19 03:46:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-19 03:46:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:46:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:46:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:46:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:46:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:46:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:46:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:46:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:46:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:46:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:46:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:46:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:46:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-19 03:46:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2024-11-19 03:46:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:46:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2024-11-19 03:46:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2024-11-19 03:46:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:46:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:46:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:46:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:46:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:46:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:46:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:46:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:46:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:46:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:46:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2024-11-19 03:46:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:46:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2024-11-19 03:46:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:46:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2024-11-19 03:46:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2024-11-19 03:46:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:46:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:46:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:46:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:46:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2024-11-19 03:46:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2024-11-19 03:46:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-19 03:46:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-19 03:46:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:46:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:46:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2024-11-19 03:46:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2024-11-19 03:46:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-19 03:46:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-19 03:46:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2024-11-19 03:46:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2024-11-19 03:46:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2024-11-19 03:46:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2024-11-19 03:46:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2024-11-19 03:46:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2024-11-19 03:46:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:46:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:46:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2024-11-19 03:46:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2024-11-19 03:46:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2024-11-19 03:46:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:46:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:46:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:46:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:46:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2024-11-19 03:46:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:46:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2024-11-19 03:46:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2024-11-19 03:46:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:46:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:46:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:46:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:46:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:46:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:46:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:46:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:46:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:46:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:46:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:46:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:46:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:46:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:46:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:46:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:46:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:46:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2024-11-19 03:46:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2024-11-19 03:46:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2024-11-19 03:46:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2024-11-19 03:46:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2024-11-19 03:46:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2024-11-19 03:46:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:46:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:46:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:46:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:46:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:46:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:46:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:46:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:46:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:46:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:46:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:46:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:46:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:46:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:46:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:46:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:46:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2024-11-19 03:46:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2024-11-19 03:46:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-19 03:46:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-19 03:46:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2024-11-19 03:46:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2024-11-19 03:46:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2024-11-19 03:46:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-19 03:46:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:46:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:46:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 03:46:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:46:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:46:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 03:46:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 03:46:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-19 03:46:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-19 03:46:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:46:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:46:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:46:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:46:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:46:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:46:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:46:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:46:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:46:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:46:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:46:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:46:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:46:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:46:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:46:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:46:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-19 03:46:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-19 03:46:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2024-11-19 03:46:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2024-11-19 03:46:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2024-11-19 03:46:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2024-11-19 03:46:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:46:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:46:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-19 03:46:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-19 03:46:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2024-11-19 03:46:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2024-11-19 03:46:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-19 03:46:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-19 03:46:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2024-11-19 03:46:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2024-11-19 03:46:25,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:46:25,634 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:46:25,786 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:46:34,156 INFO L? ?]: Removed 932 outVars from TransFormulas that were not future-live. [2024-11-19 03:46:34,157 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:46:34,201 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:46:34,205 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 03:46:34,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:46:34 BoogieIcfgContainer [2024-11-19 03:46:34,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:46:34,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:46:34,208 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:46:34,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:46:34,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:46:22" (1/3) ... [2024-11-19 03:46:34,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6271c5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:46:34, skipping insertion in model container [2024-11-19 03:46:34,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:24" (2/3) ... [2024-11-19 03:46:34,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6271c5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:46:34, skipping insertion in model container [2024-11-19 03:46:34,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:46:34" (3/3) ... [2024-11-19 03:46:34,218 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-19 03:46:34,236 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:46:34,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:46:34,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:46:34,352 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;@49ffc984, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:46:34,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:46:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 886 states, 648 states have (on average 1.4012345679012346) internal successors, (908), 665 states have internal predecessors, (908), 187 states have call successors, (187), 50 states have call predecessors, (187), 49 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-19 03:46:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-19 03:46:34,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:34,392 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:34,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:34,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:34,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1336426269, now seen corresponding path program 1 times [2024-11-19 03:46:34,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:34,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097209140] [2024-11-19 03:46:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:34,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-19 03:46:36,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:36,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097209140] [2024-11-19 03:46:36,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097209140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:36,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:36,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:36,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136258067] [2024-11-19 03:46:36,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:36,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:36,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:36,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:36,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:36,350 INFO L87 Difference]: Start difference. First operand has 886 states, 648 states have (on average 1.4012345679012346) internal successors, (908), 665 states have internal predecessors, (908), 187 states have call successors, (187), 50 states have call predecessors, (187), 49 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 03:46:36,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:36,688 INFO L93 Difference]: Finished difference Result 2560 states and 3814 transitions. [2024-11-19 03:46:36,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:36,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2024-11-19 03:46:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:36,736 INFO L225 Difference]: With dead ends: 2560 [2024-11-19 03:46:36,736 INFO L226 Difference]: Without dead ends: 1650 [2024-11-19 03:46:36,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:36,756 INFO L432 NwaCegarLoop]: 1261 mSDtfsCounter, 1193 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:36,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 2439 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:46:36,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2024-11-19 03:46:36,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1635. [2024-11-19 03:46:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1224 states have (on average 1.3913398692810457) internal successors, (1703), 1233 states have internal predecessors, (1703), 314 states have call successors, (314), 97 states have call predecessors, (314), 96 states have return successors, (309), 308 states have call predecessors, (309), 309 states have call successors, (309) [2024-11-19 03:46:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2326 transitions. [2024-11-19 03:46:36,957 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2326 transitions. Word has length 262 [2024-11-19 03:46:36,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:36,958 INFO L471 AbstractCegarLoop]: Abstraction has 1635 states and 2326 transitions. [2024-11-19 03:46:36,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 03:46:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2326 transitions. [2024-11-19 03:46:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-19 03:46:36,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:36,964 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:36,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:46:36,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:36,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:36,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1451425215, now seen corresponding path program 1 times [2024-11-19 03:46:36,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:36,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393853247] [2024-11-19 03:46:36,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:36,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-19 03:46:38,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:38,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393853247] [2024-11-19 03:46:38,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393853247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:38,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:38,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:38,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365321579] [2024-11-19 03:46:38,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:38,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:38,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:38,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:38,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:38,101 INFO L87 Difference]: Start difference. First operand 1635 states and 2326 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-19 03:46:42,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:46:42,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:42,394 INFO L93 Difference]: Finished difference Result 4750 states and 6755 transitions. [2024-11-19 03:46:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:42,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 260 [2024-11-19 03:46:42,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:42,428 INFO L225 Difference]: With dead ends: 4750 [2024-11-19 03:46:42,428 INFO L226 Difference]: Without dead ends: 3166 [2024-11-19 03:46:42,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:42,440 INFO L432 NwaCegarLoop]: 1294 mSDtfsCounter, 1101 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 2518 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:42,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1101 Valid, 2518 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:46:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2024-11-19 03:46:42,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3162. [2024-11-19 03:46:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 2384 states have (on average 1.3968120805369129) internal successors, (3330), 2397 states have internal predecessors, (3330), 585 states have call successors, (585), 193 states have call predecessors, (585), 192 states have return successors, (580), 579 states have call predecessors, (580), 580 states have call successors, (580) [2024-11-19 03:46:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4495 transitions. [2024-11-19 03:46:42,627 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4495 transitions. Word has length 260 [2024-11-19 03:46:42,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:42,629 INFO L471 AbstractCegarLoop]: Abstraction has 3162 states and 4495 transitions. [2024-11-19 03:46:42,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-19 03:46:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4495 transitions. [2024-11-19 03:46:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-19 03:46:42,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:42,634 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:42,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:46:42,637 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:42,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:42,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1526335069, now seen corresponding path program 1 times [2024-11-19 03:46:42,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:42,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984695233] [2024-11-19 03:46:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-19 03:46:43,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:43,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984695233] [2024-11-19 03:46:43,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984695233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:43,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:43,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:43,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633108045] [2024-11-19 03:46:43,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:43,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:43,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:43,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:43,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:43,515 INFO L87 Difference]: Start difference. First operand 3162 states and 4495 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 03:46:43,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:43,877 INFO L93 Difference]: Finished difference Result 9262 states and 13141 transitions. [2024-11-19 03:46:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:43,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 264 [2024-11-19 03:46:43,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:43,921 INFO L225 Difference]: With dead ends: 9262 [2024-11-19 03:46:43,923 INFO L226 Difference]: Without dead ends: 6151 [2024-11-19 03:46:43,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:43,939 INFO L432 NwaCegarLoop]: 1282 mSDtfsCounter, 1159 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 2437 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:43,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 2437 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:46:43,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2024-11-19 03:46:44,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6134. [2024-11-19 03:46:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6134 states, 4648 states have (on average 1.398881239242685) internal successors, (6502), 4671 states have internal predecessors, (6502), 1101 states have call successors, (1101), 385 states have call predecessors, (1101), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-19 03:46:44,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 8699 transitions. [2024-11-19 03:46:44,229 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 8699 transitions. Word has length 264 [2024-11-19 03:46:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:44,233 INFO L471 AbstractCegarLoop]: Abstraction has 6134 states and 8699 transitions. [2024-11-19 03:46:44,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 03:46:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 8699 transitions. [2024-11-19 03:46:44,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-19 03:46:44,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:44,239 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:44,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:46:44,240 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:44,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:44,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1528739876, now seen corresponding path program 1 times [2024-11-19 03:46:44,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:44,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263216782] [2024-11-19 03:46:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-19 03:46:45,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:45,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263216782] [2024-11-19 03:46:45,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263216782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:45,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:45,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:45,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055543055] [2024-11-19 03:46:45,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:45,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:45,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:45,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:45,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:45,162 INFO L87 Difference]: Start difference. First operand 6134 states and 8699 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:46:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:45,351 INFO L93 Difference]: Finished difference Result 6136 states and 8700 transitions. [2024-11-19 03:46:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:45,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 262 [2024-11-19 03:46:45,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:45,395 INFO L225 Difference]: With dead ends: 6136 [2024-11-19 03:46:45,396 INFO L226 Difference]: Without dead ends: 6133 [2024-11-19 03:46:45,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:45,404 INFO L432 NwaCegarLoop]: 1236 mSDtfsCounter, 1170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:45,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1236 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:46:45,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6133 states. [2024-11-19 03:46:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6133 to 6133. [2024-11-19 03:46:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6133 states, 4648 states have (on average 1.3986660929432013) internal successors, (6501), 4670 states have internal predecessors, (6501), 1100 states have call successors, (1100), 385 states have call predecessors, (1100), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-19 03:46:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6133 states to 6133 states and 8697 transitions. [2024-11-19 03:46:45,767 INFO L78 Accepts]: Start accepts. Automaton has 6133 states and 8697 transitions. Word has length 262 [2024-11-19 03:46:45,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:45,768 INFO L471 AbstractCegarLoop]: Abstraction has 6133 states and 8697 transitions. [2024-11-19 03:46:45,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:46:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 6133 states and 8697 transitions. [2024-11-19 03:46:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-19 03:46:45,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:45,774 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:45,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:46:45,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:45,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash 145997185, now seen corresponding path program 1 times [2024-11-19 03:46:45,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:45,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478665509] [2024-11-19 03:46:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:45,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-19 03:46:46,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:46,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478665509] [2024-11-19 03:46:46,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478665509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:46,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:46,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:46,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165832210] [2024-11-19 03:46:46,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:46,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:46,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:46,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:46,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:46,601 INFO L87 Difference]: Start difference. First operand 6133 states and 8697 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:46:46,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:46,799 INFO L93 Difference]: Finished difference Result 6135 states and 8698 transitions. [2024-11-19 03:46:46,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:46,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 263 [2024-11-19 03:46:46,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:46,845 INFO L225 Difference]: With dead ends: 6135 [2024-11-19 03:46:46,845 INFO L226 Difference]: Without dead ends: 6132 [2024-11-19 03:46:46,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:46,854 INFO L432 NwaCegarLoop]: 1234 mSDtfsCounter, 1167 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:46,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 1234 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:46:46,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2024-11-19 03:46:47,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 6132. [2024-11-19 03:46:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6132 states, 4648 states have (on average 1.3984509466437178) internal successors, (6500), 4669 states have internal predecessors, (6500), 1099 states have call successors, (1099), 385 states have call predecessors, (1099), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-19 03:46:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 8695 transitions. [2024-11-19 03:46:47,214 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 8695 transitions. Word has length 263 [2024-11-19 03:46:47,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:47,215 INFO L471 AbstractCegarLoop]: Abstraction has 6132 states and 8695 transitions. [2024-11-19 03:46:47,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:46:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 8695 transitions. [2024-11-19 03:46:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-19 03:46:47,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:47,219 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:47,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:46:47,220 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:47,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash 230651591, now seen corresponding path program 1 times [2024-11-19 03:46:47,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:47,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180765597] [2024-11-19 03:46:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-19 03:46:48,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:48,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180765597] [2024-11-19 03:46:48,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180765597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:48,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:48,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:48,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106951] [2024-11-19 03:46:48,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:48,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:48,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:48,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:48,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:48,242 INFO L87 Difference]: Start difference. First operand 6132 states and 8695 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:46:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:48,599 INFO L93 Difference]: Finished difference Result 13431 states and 19066 transitions. [2024-11-19 03:46:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:48,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 264 [2024-11-19 03:46:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:48,663 INFO L225 Difference]: With dead ends: 13431 [2024-11-19 03:46:48,664 INFO L226 Difference]: Without dead ends: 7344 [2024-11-19 03:46:48,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:48,695 INFO L432 NwaCegarLoop]: 1238 mSDtfsCounter, 1112 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:48,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1672 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:46:48,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7344 states. [2024-11-19 03:46:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7344 to 7314. [2024-11-19 03:46:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7314 states, 5521 states have (on average 1.3865241804021011) internal successors, (7655), 5553 states have internal predecessors, (7655), 1298 states have call successors, (1298), 508 states have call predecessors, (1298), 494 states have return successors, (1318), 1276 states have call predecessors, (1318), 1294 states have call successors, (1318) [2024-11-19 03:46:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7314 states to 7314 states and 10271 transitions. [2024-11-19 03:46:49,061 INFO L78 Accepts]: Start accepts. Automaton has 7314 states and 10271 transitions. Word has length 264 [2024-11-19 03:46:49,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:49,063 INFO L471 AbstractCegarLoop]: Abstraction has 7314 states and 10271 transitions. [2024-11-19 03:46:49,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:46:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 7314 states and 10271 transitions. [2024-11-19 03:46:49,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-19 03:46:49,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:49,071 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:49,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:46:49,073 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:49,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:49,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1171559330, now seen corresponding path program 1 times [2024-11-19 03:46:49,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:49,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240562549] [2024-11-19 03:46:49,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:49,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2024-11-19 03:46:49,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:49,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240562549] [2024-11-19 03:46:49,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240562549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:49,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:49,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:49,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724241932] [2024-11-19 03:46:49,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:49,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:49,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:49,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:49,882 INFO L87 Difference]: Start difference. First operand 7314 states and 10271 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:46:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:50,596 INFO L93 Difference]: Finished difference Result 21658 states and 30359 transitions. [2024-11-19 03:46:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:50,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 372 [2024-11-19 03:46:50,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:50,694 INFO L225 Difference]: With dead ends: 21658 [2024-11-19 03:46:50,694 INFO L226 Difference]: Without dead ends: 14395 [2024-11-19 03:46:50,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:50,734 INFO L432 NwaCegarLoop]: 1325 mSDtfsCounter, 1170 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 2458 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:50,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 2458 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:46:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14395 states. [2024-11-19 03:46:51,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14395 to 14384. [2024-11-19 03:46:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14384 states, 10869 states have (on average 1.3845799981599043) internal successors, (15049), 10933 states have internal predecessors, (15049), 2526 states have call successors, (2526), 1014 states have call predecessors, (2526), 988 states have return successors, (2570), 2484 states have call predecessors, (2570), 2522 states have call successors, (2570) [2024-11-19 03:46:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14384 states to 14384 states and 20145 transitions. [2024-11-19 03:46:51,780 INFO L78 Accepts]: Start accepts. Automaton has 14384 states and 20145 transitions. Word has length 372 [2024-11-19 03:46:51,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:51,781 INFO L471 AbstractCegarLoop]: Abstraction has 14384 states and 20145 transitions. [2024-11-19 03:46:51,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:46:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 14384 states and 20145 transitions. [2024-11-19 03:46:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-19 03:46:51,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:51,791 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:51,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:46:51,791 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:51,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash 877506218, now seen corresponding path program 1 times [2024-11-19 03:46:51,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:51,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469386378] [2024-11-19 03:46:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:51,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2024-11-19 03:46:52,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:52,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469386378] [2024-11-19 03:46:52,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469386378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:52,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:52,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:52,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817121894] [2024-11-19 03:46:52,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:52,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:52,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:52,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:52,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:52,828 INFO L87 Difference]: Start difference. First operand 14384 states and 20145 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:46:53,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:46:53,902 INFO L93 Difference]: Finished difference Result 39684 states and 55469 transitions. [2024-11-19 03:46:53,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:46:53,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 375 [2024-11-19 03:46:53,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:46:54,056 INFO L225 Difference]: With dead ends: 39684 [2024-11-19 03:46:54,057 INFO L226 Difference]: Without dead ends: 25351 [2024-11-19 03:46:54,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:54,118 INFO L432 NwaCegarLoop]: 2070 mSDtfsCounter, 1139 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 3203 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:46:54,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 3203 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:46:54,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25351 states. [2024-11-19 03:46:55,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25351 to 25342. [2024-11-19 03:46:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25342 states, 19087 states have (on average 1.3799444648189867) internal successors, (26339), 19203 states have internal predecessors, (26339), 4472 states have call successors, (4472), 1824 states have call predecessors, (4472), 1782 states have return successors, (4564), 4402 states have call predecessors, (4564), 4468 states have call successors, (4564) [2024-11-19 03:46:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25342 states to 25342 states and 35375 transitions. [2024-11-19 03:46:55,461 INFO L78 Accepts]: Start accepts. Automaton has 25342 states and 35375 transitions. Word has length 375 [2024-11-19 03:46:55,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:46:55,462 INFO L471 AbstractCegarLoop]: Abstraction has 25342 states and 35375 transitions. [2024-11-19 03:46:55,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:46:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 25342 states and 35375 transitions. [2024-11-19 03:46:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-11-19 03:46:55,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:46:55,474 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:46:55,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:46:55,474 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:46:55,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:46:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1362873459, now seen corresponding path program 1 times [2024-11-19 03:46:55,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:46:55,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113743466] [2024-11-19 03:46:55,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:46:55,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:46:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:46:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2745 trivial. 0 not checked. [2024-11-19 03:46:56,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:46:56,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113743466] [2024-11-19 03:46:56,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113743466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:46:56,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:46:56,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:46:56,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550273896] [2024-11-19 03:46:56,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:46:56,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:46:56,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:46:56,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:46:56,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:46:56,650 INFO L87 Difference]: Start difference. First operand 25342 states and 35375 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-19 03:47:00,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:47:01,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:47:01,587 INFO L93 Difference]: Finished difference Result 29004 states and 40129 transitions. [2024-11-19 03:47:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:47:01,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 457 [2024-11-19 03:47:01,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:47:01,744 INFO L225 Difference]: With dead ends: 29004 [2024-11-19 03:47:01,744 INFO L226 Difference]: Without dead ends: 24452 [2024-11-19 03:47:01,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:47:01,783 INFO L432 NwaCegarLoop]: 1477 mSDtfsCounter, 428 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:47:01,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 2638 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:47:01,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24452 states. [2024-11-19 03:47:02,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24452 to 24360. [2024-11-19 03:47:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24360 states, 18380 states have (on average 1.380195865070729) internal successors, (25368), 18499 states have internal predecessors, (25368), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-19 03:47:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24360 states to 24360 states and 33873 transitions. [2024-11-19 03:47:03,099 INFO L78 Accepts]: Start accepts. Automaton has 24360 states and 33873 transitions. Word has length 457 [2024-11-19 03:47:03,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:47:03,100 INFO L471 AbstractCegarLoop]: Abstraction has 24360 states and 33873 transitions. [2024-11-19 03:47:03,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-19 03:47:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 24360 states and 33873 transitions. [2024-11-19 03:47:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-19 03:47:03,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:47:03,176 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:47:03,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:47:03,176 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:47:03,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:47:03,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1010540359, now seen corresponding path program 1 times [2024-11-19 03:47:03,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:47:03,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624507470] [2024-11-19 03:47:03,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:47:03,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:47:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:47:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2789 trivial. 0 not checked. [2024-11-19 03:47:04,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:47:04,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624507470] [2024-11-19 03:47:04,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624507470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:47:04,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:47:04,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:47:04,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263807855] [2024-11-19 03:47:04,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:47:04,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:47:04,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:47:04,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:47:04,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:47:04,262 INFO L87 Difference]: Start difference. First operand 24360 states and 33873 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-19 03:47:05,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:47:05,435 INFO L93 Difference]: Finished difference Result 48693 states and 67751 transitions. [2024-11-19 03:47:05,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:47:05,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 556 [2024-11-19 03:47:05,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:47:05,596 INFO L225 Difference]: With dead ends: 48693 [2024-11-19 03:47:05,596 INFO L226 Difference]: Without dead ends: 24384 [2024-11-19 03:47:05,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:47:05,690 INFO L432 NwaCegarLoop]: 1225 mSDtfsCounter, 0 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:47:05,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2445 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:47:05,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24384 states. [2024-11-19 03:47:06,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24384 to 24384. [2024-11-19 03:47:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24384 states, 18404 states have (on average 1.3797000652032168) internal successors, (25392), 18523 states have internal predecessors, (25392), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-19 03:47:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24384 states to 24384 states and 33897 transitions. [2024-11-19 03:47:06,767 INFO L78 Accepts]: Start accepts. Automaton has 24384 states and 33897 transitions. Word has length 556 [2024-11-19 03:47:06,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:47:06,768 INFO L471 AbstractCegarLoop]: Abstraction has 24384 states and 33897 transitions. [2024-11-19 03:47:06,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-19 03:47:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 24384 states and 33897 transitions. [2024-11-19 03:47:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2024-11-19 03:47:06,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:47:06,839 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:47:06,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 03:47:06,839 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:47:06,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:47:06,840 INFO L85 PathProgramCache]: Analyzing trace with hash 327569939, now seen corresponding path program 1 times [2024-11-19 03:47:06,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:47:06,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118959998] [2024-11-19 03:47:06,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:47:06,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:47:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:47:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2024-11-19 03:47:08,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:47:08,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118959998] [2024-11-19 03:47:08,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118959998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:47:08,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550306882] [2024-11-19 03:47:08,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:47:08,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:47:08,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:47:08,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:47:08,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:47:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:47:10,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 4417 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:47:10,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:47:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2024-11-19 03:47:10,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:47:10,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550306882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:47:10,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:47:10,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-19 03:47:10,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498227198] [2024-11-19 03:47:10,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:47:10,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:47:10,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:47:10,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:47:10,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:47:10,492 INFO L87 Difference]: Start difference. First operand 24384 states and 33897 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-19 03:47:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:47:11,449 INFO L93 Difference]: Finished difference Result 49477 states and 69127 transitions. [2024-11-19 03:47:11,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:47:11,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 558 [2024-11-19 03:47:11,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:47:11,595 INFO L225 Difference]: With dead ends: 49477 [2024-11-19 03:47:11,595 INFO L226 Difference]: Without dead ends: 24384 [2024-11-19 03:47:11,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:47:11,689 INFO L432 NwaCegarLoop]: 1241 mSDtfsCounter, 41 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 3652 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:47:11,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 3652 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:47:11,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24384 states. [2024-11-19 03:47:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24384 to 24384. [2024-11-19 03:47:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24384 states, 18404 states have (on average 1.3775266246468159) internal successors, (25352), 18523 states have internal predecessors, (25352), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-19 03:47:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24384 states to 24384 states and 33857 transitions. [2024-11-19 03:47:12,826 INFO L78 Accepts]: Start accepts. Automaton has 24384 states and 33857 transitions. Word has length 558 [2024-11-19 03:47:12,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:47:12,828 INFO L471 AbstractCegarLoop]: Abstraction has 24384 states and 33857 transitions. [2024-11-19 03:47:12,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-19 03:47:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 24384 states and 33857 transitions. [2024-11-19 03:47:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-11-19 03:47:12,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:47:12,901 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:47:12,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 03:47:13,102 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,SelfDestructingSolverStorable10 [2024-11-19 03:47:13,103 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:47:13,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:47:13,104 INFO L85 PathProgramCache]: Analyzing trace with hash -2097250035, now seen corresponding path program 1 times [2024-11-19 03:47:13,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:47:13,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558646051] [2024-11-19 03:47:13,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:47:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:47:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:47:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2790 trivial. 0 not checked. [2024-11-19 03:47:15,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:47:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558646051] [2024-11-19 03:47:15,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558646051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:47:15,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:47:15,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:47:15,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744280898] [2024-11-19 03:47:15,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:47:15,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:47:15,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:47:15,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:47:15,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:47:15,105 INFO L87 Difference]: Start difference. First operand 24384 states and 33857 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-19 03:47:16,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:47:16,028 INFO L93 Difference]: Finished difference Result 48765 states and 67743 transitions. [2024-11-19 03:47:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:47:16,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 560 [2024-11-19 03:47:16,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:47:16,183 INFO L225 Difference]: With dead ends: 48765 [2024-11-19 03:47:16,183 INFO L226 Difference]: Without dead ends: 24432 [2024-11-19 03:47:16,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:47:16,262 INFO L432 NwaCegarLoop]: 1223 mSDtfsCounter, 0 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3661 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:47:16,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3661 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:47:16,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24432 states. [2024-11-19 03:47:17,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24432 to 24408. [2024-11-19 03:47:17,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24408 states, 18428 states have (on average 1.3770349468200564) internal successors, (25376), 18547 states have internal predecessors, (25376), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-19 03:47:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24408 states to 24408 states and 33881 transitions. [2024-11-19 03:47:17,682 INFO L78 Accepts]: Start accepts. Automaton has 24408 states and 33881 transitions. Word has length 560 [2024-11-19 03:47:17,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:47:17,683 INFO L471 AbstractCegarLoop]: Abstraction has 24408 states and 33881 transitions. [2024-11-19 03:47:17,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-19 03:47:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24408 states and 33881 transitions. [2024-11-19 03:47:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2024-11-19 03:47:17,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:47:17,738 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:47:17,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:47:17,739 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:47:17,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:47:17,739 INFO L85 PathProgramCache]: Analyzing trace with hash 798973040, now seen corresponding path program 1 times [2024-11-19 03:47:17,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:47:17,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667717834] [2024-11-19 03:47:17,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:47:17,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:47:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:47:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2790 trivial. 0 not checked. [2024-11-19 03:47:19,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:47:19,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667717834] [2024-11-19 03:47:19,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667717834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:47:19,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:47:19,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:47:19,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38314411] [2024-11-19 03:47:19,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:47:19,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:47:19,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:47:19,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:47:19,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:47:19,223 INFO L87 Difference]: Start difference. First operand 24408 states and 33881 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-19 03:47:20,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:47:20,021 INFO L93 Difference]: Finished difference Result 49005 states and 68239 transitions. [2024-11-19 03:47:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:47:20,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 561 [2024-11-19 03:47:20,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:47:20,175 INFO L225 Difference]: With dead ends: 49005 [2024-11-19 03:47:20,175 INFO L226 Difference]: Without dead ends: 24648 [2024-11-19 03:47:20,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:47:20,263 INFO L432 NwaCegarLoop]: 1224 mSDtfsCounter, 5 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:47:20,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2436 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:47:20,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24648 states. [2024-11-19 03:47:21,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24648 to 24488. [2024-11-19 03:47:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24488 states, 18508 states have (on average 1.377566457748001) internal successors, (25496), 18627 states have internal predecessors, (25496), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-19 03:47:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24488 states to 24488 states and 34001 transitions. [2024-11-19 03:47:21,822 INFO L78 Accepts]: Start accepts. Automaton has 24488 states and 34001 transitions. Word has length 561 [2024-11-19 03:47:21,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:47:21,823 INFO L471 AbstractCegarLoop]: Abstraction has 24488 states and 34001 transitions. [2024-11-19 03:47:21,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-19 03:47:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 24488 states and 34001 transitions. [2024-11-19 03:47:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2024-11-19 03:47:21,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:47:21,867 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:47:21,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 03:47:21,868 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:47:21,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:47:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1753856512, now seen corresponding path program 1 times [2024-11-19 03:47:21,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:47:21,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430452306] [2024-11-19 03:47:21,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:47:21,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:47:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:47:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2024-11-19 03:47:25,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:47:25,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430452306] [2024-11-19 03:47:25,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430452306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:47:25,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836955901] [2024-11-19 03:47:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:47:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:47:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:47:25,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:47:25,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process