./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.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 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 08:12:14,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 08:12:14,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 08:12:14,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 08:12:14,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 08:12:14,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 08:12:14,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 08:12:14,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 08:12:14,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 08:12:14,852 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 08:12:14,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 08:12:14,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 08:12:14,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 08:12:14,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 08:12:14,854 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 08:12:14,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 08:12:14,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 08:12:14,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 08:12:14,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 08:12:14,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 08:12:14,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 08:12:14,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 08:12:14,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 08:12:14,855 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 08:12:14,855 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 08:12:14,855 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 08:12:14,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 08:12:14,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 08:12:14,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 08:12:14,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:12:14,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 08:12:14,856 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2025-03-17 08:12:15,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 08:12:15,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 08:12:15,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 08:12:15,117 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 08:12:15,117 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 08:12:15,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2025-03-17 08:12:16,309 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66ad6c2a/76683efa62dc449fada7290455438d6c/FLAG816f33317 [2025-03-17 08:12:16,754 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 08:12:16,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2025-03-17 08:12:16,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66ad6c2a/76683efa62dc449fada7290455438d6c/FLAG816f33317 [2025-03-17 08:12:16,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66ad6c2a/76683efa62dc449fada7290455438d6c [2025-03-17 08:12:16,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 08:12:16,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 08:12:16,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 08:12:16,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 08:12:16,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 08:12:16,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:12:16" (1/1) ... [2025-03-17 08:12:16,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21924a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:16, skipping insertion in model container [2025-03-17 08:12:16,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:12:16" (1/1) ... [2025-03-17 08:12:16,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 08:12:17,549 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2025-03-17 08:12:17,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:12:17,678 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 08:12:17,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3103] [2025-03-17 08:12:17,821 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2025-03-17 08:12:17,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:12:17,914 INFO L204 MainTranslator]: Completed translation [2025-03-17 08:12:17,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17 WrapperNode [2025-03-17 08:12:17,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 08:12:17,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 08:12:17,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 08:12:17,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 08:12:17,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:17,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,032 INFO L138 Inliner]: procedures = 175, calls = 882, calls flagged for inlining = 78, calls inlined = 65, statements flattened = 1619 [2025-03-17 08:12:18,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 08:12:18,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 08:12:18,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 08:12:18,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 08:12:18,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,139 INFO L175 MemorySlicer]: Split 410 memory accesses to 22 slices as follows [2, 2, 56, 12, 28, 8, 42, 3, 2, 1, 4, 1, 8, 2, 8, 2, 108, 8, 18, 49, 38, 8]. 26 percent of accesses are in the largest equivalence class. The 130 initializations are split as follows [2, 0, 56, 8, 0, 8, 0, 0, 1, 0, 0, 0, 8, 0, 8, 0, 0, 8, 0, 0, 23, 8]. The 190 writes are split as follows [0, 0, 0, 3, 28, 0, 42, 1, 0, 0, 0, 0, 0, 0, 0, 0, 41, 0, 18, 42, 15, 0]. [2025-03-17 08:12:18,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 08:12:18,262 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 08:12:18,262 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 08:12:18,262 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 08:12:18,263 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (1/1) ... [2025-03-17 08:12:18,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:12:18,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:12:18,289 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) [2025-03-17 08:12:18,292 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 [2025-03-17 08:12:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2025-03-17 08:12:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 08:12:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 08:12:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 08:12:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 08:12:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 08:12:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-17 08:12:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-17 08:12:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-17 08:12:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 08:12:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 08:12:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 08:12:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 08:12:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 08:12:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-17 08:12:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-17 08:12:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 08:12:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 08:12:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 08:12:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2025-03-17 08:12:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2025-03-17 08:12:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 08:12:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-17 08:12:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2025-03-17 08:12:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-03-17 08:12:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-03-17 08:12:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-03-17 08:12:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-17 08:12:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-17 08:12:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2025-03-17 08:12:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2025-03-17 08:12:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2025-03-17 08:12:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2025-03-17 08:12:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 08:12:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 08:12:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-03-17 08:12:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-03-17 08:12:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-03-17 08:12:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-03-17 08:12:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 08:12:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-03-17 08:12:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-17 08:12:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-17 08:12:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2025-03-17 08:12:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 08:12:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 08:12:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 08:12:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 08:12:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-03-17 08:12:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 08:12:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-17 08:12:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-17 08:12:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 08:12:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2025-03-17 08:12:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2025-03-17 08:12:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2025-03-17 08:12:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-17 08:12:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-17 08:12:18,871 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 08:12:18,874 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 08:12:19,386 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3226: havoc ~res~0#1.base, ~res~0#1.offset; [2025-03-17 08:12:19,399 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3090: havoc #t~mem13; [2025-03-17 08:12:19,401 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5086: havoc #t~nondet409; [2025-03-17 08:12:19,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3674: call ULTIMATE.dealloc(~#descriptor~2#1.base, ~#descriptor~2#1.offset);havoc ~#descriptor~2#1.base, ~#descriptor~2#1.offset;call ULTIMATE.dealloc(~#descriptor___0~1#1.base, ~#descriptor___0~1#1.offset);havoc ~#descriptor___0~1#1.base, ~#descriptor___0~1#1.offset; [2025-03-17 08:12:19,750 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5069: havoc dev_get_drvdata_#t~ret406#1.base, dev_get_drvdata_#t~ret406#1.offset; [2025-03-17 08:12:19,755 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5141: havoc #t~nondet417; [2025-03-17 08:12:19,758 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5066: havoc #t~nondet405; [2025-03-17 08:12:19,760 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5032: havoc #t~nondet401; [2025-03-17 08:12:19,763 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5021: havoc #t~nondet399; [2025-03-17 08:12:19,974 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3380: call ULTIMATE.dealloc(~#rs~0.base, ~#rs~0.offset);havoc ~#rs~0.base, ~#rs~0.offset;call ULTIMATE.dealloc(~#r~0.base, ~#r~0.offset);havoc ~#r~0.base, ~#r~0.offset;call ULTIMATE.dealloc(~#descriptor~1.base, ~#descriptor~1.offset);havoc ~#descriptor~1.base, ~#descriptor~1.offset;call ULTIMATE.dealloc(~#descriptor___0~0.base, ~#descriptor___0~0.offset);havoc ~#descriptor___0~0.base, ~#descriptor___0~0.offset;call ULTIMATE.dealloc(~#descriptor___1~0.base, ~#descriptor___1~0.offset);havoc ~#descriptor___1~0.base, ~#descriptor___1~0.offset; [2025-03-17 08:12:19,982 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5124: havoc #t~ret415.base, #t~ret415.offset; [2025-03-17 08:12:19,990 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5025: havoc _copy_to_user_#t~nondet400#1; [2025-03-17 08:12:19,993 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5001: havoc #t~nondet397; [2025-03-17 08:12:20,045 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3349: call ULTIMATE.dealloc(~#descriptor~0.base, ~#descriptor~0.offset);havoc ~#descriptor~0.base, ~#descriptor~0.offset; [2025-03-17 08:12:26,499 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4032: call ULTIMATE.dealloc(phantom_exit_~#descriptor~3#1.base, phantom_exit_~#descriptor~3#1.offset);havoc phantom_exit_~#descriptor~3#1.base, phantom_exit_~#descriptor~3#1.offset; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5056: havoc class_create_file_#t~nondet404#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5073: havoc dev_set_drvdata_#t~nondet407#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3984: call ULTIMATE.dealloc(phantom_init_~#dev~7#1.base, phantom_init_~#dev~7#1.offset);havoc phantom_init_~#dev~7#1.base, phantom_init_~#dev~7#1.offset;call ULTIMATE.dealloc(phantom_init_~#__key~1#1.base, phantom_init_~#__key~1#1.offset);havoc phantom_init_~#__key~1#1.base, phantom_init_~#__key~1#1.offset; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5042: havoc alloc_chrdev_region_#t~nondet402#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5076: havoc device_create_#t~ret408#1.base, device_create_#t~ret408#1.offset; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5110: havoc no_llseek_#t~nondet412#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5011: havoc __pci_register_driver_#t~nondet398#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4352-1: ldv_mutex_lock_interruptible_9_#res#1 := ldv_mutex_lock_interruptible_9_~ldv_func_res~1#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5046: havoc cdev_add_#t~nondet403#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5145: havoc request_threaded_irq_#t~nondet418#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4997: havoc __class_create_#t~ret396#1.base, __class_create_#t~ret396#1.offset; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: call ULTIMATE.dealloc(phantom_probe_~#__key~0#1.base, phantom_probe_~#__key~0#1.offset);havoc phantom_probe_~#__key~0#1.base, phantom_probe_~#__key~0#1.offset;call ULTIMATE.dealloc(phantom_probe_~#__key___0~0#1.base, phantom_probe_~#__key___0~0#1.offset);havoc phantom_probe_~#__key___0~0#1.base, phantom_probe_~#__key___0~0#1.offset;call ULTIMATE.dealloc(phantom_probe_~#__key___1~0#1.base, phantom_probe_~#__key___1~0#1.offset);havoc phantom_probe_~#__key___1~0#1.base, phantom_probe_~#__key___1~0#1.offset; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5114: havoc nonseekable_open_#t~nondet413#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5099: havoc mutex_lock_interruptible_#t~nondet410#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5149: havoc show_class_attr_string_#t~nondet419#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5134: havoc pci_request_regions_#t~nondet416#1; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3236: havoc __kmalloc_#t~ret91#1.base, __kmalloc_#t~ret91#1.offset; [2025-03-17 08:12:26,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5121: havoc pci_enable_device_#t~nondet414#1; [2025-03-17 08:12:26,773 INFO L? ?]: Removed 948 outVars from TransFormulas that were not future-live. [2025-03-17 08:12:26,773 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 08:12:26,804 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 08:12:26,807 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-17 08:12:26,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:12:26 BoogieIcfgContainer [2025-03-17 08:12:26,808 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 08:12:26,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 08:12:26,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 08:12:26,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 08:12:26,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 08:12:16" (1/3) ... [2025-03-17 08:12:26,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4914a65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:12:26, skipping insertion in model container [2025-03-17 08:12:26,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:12:17" (2/3) ... [2025-03-17 08:12:26,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4914a65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:12:26, skipping insertion in model container [2025-03-17 08:12:26,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:12:26" (3/3) ... [2025-03-17 08:12:26,816 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2025-03-17 08:12:26,827 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 08:12:26,831 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i that has 59 procedures, 748 locations, 1 initial locations, 44 loop locations, and 1 error locations. [2025-03-17 08:12:26,899 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 08:12:26,909 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;@77cc61e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 08:12:26,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 08:12:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 643 states, 450 states have (on average 1.3622222222222222) internal successors, (613), 475 states have internal predecessors, (613), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2025-03-17 08:12:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 08:12:26,921 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:26,921 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:26,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:26,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:26,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1510846728, now seen corresponding path program 1 times [2025-03-17 08:12:26,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:26,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382323987] [2025-03-17 08:12:26,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:26,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:27,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 08:12:28,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 08:12:28,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:28,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:28,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:28,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382323987] [2025-03-17 08:12:28,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382323987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:28,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:28,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 08:12:28,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128492912] [2025-03-17 08:12:28,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:28,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:28,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:28,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:28,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:28,488 INFO L87 Difference]: Start difference. First operand has 643 states, 450 states have (on average 1.3622222222222222) internal successors, (613), 475 states have internal predecessors, (613), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:12:29,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:29,014 INFO L93 Difference]: Finished difference Result 1510 states and 2185 transitions. [2025-03-17 08:12:29,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:29,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 08:12:29,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:29,029 INFO L225 Difference]: With dead ends: 1510 [2025-03-17 08:12:29,029 INFO L226 Difference]: Without dead ends: 862 [2025-03-17 08:12:29,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:29,038 INFO L435 NwaCegarLoop]: 891 mSDtfsCounter, 327 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:29,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1724 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 08:12:29,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2025-03-17 08:12:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 840. [2025-03-17 08:12:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 587 states have (on average 1.3475298126064736) internal successors, (791), 622 states have internal predecessors, (791), 197 states have call successors, (197), 57 states have call predecessors, (197), 55 states have return successors, (187), 180 states have call predecessors, (187), 187 states have call successors, (187) [2025-03-17 08:12:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1175 transitions. [2025-03-17 08:12:29,167 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1175 transitions. Word has length 11 [2025-03-17 08:12:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:29,168 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1175 transitions. [2025-03-17 08:12:29,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:12:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1175 transitions. [2025-03-17 08:12:29,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-17 08:12:29,174 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:29,174 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:29,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 08:12:29,174 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:29,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:29,175 INFO L85 PathProgramCache]: Analyzing trace with hash -269990431, now seen corresponding path program 1 times [2025-03-17 08:12:29,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:29,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531040583] [2025-03-17 08:12:29,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:29,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:30,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 08:12:30,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 08:12:30,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:30,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:30,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:30,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531040583] [2025-03-17 08:12:30,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531040583] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:30,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:30,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:30,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829411357] [2025-03-17 08:12:30,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:30,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:30,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:30,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:30,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:30,443 INFO L87 Difference]: Start difference. First operand 840 states and 1175 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:12:30,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:30,831 INFO L93 Difference]: Finished difference Result 2419 states and 3380 transitions. [2025-03-17 08:12:30,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:30,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-03-17 08:12:30,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:30,844 INFO L225 Difference]: With dead ends: 2419 [2025-03-17 08:12:30,844 INFO L226 Difference]: Without dead ends: 1580 [2025-03-17 08:12:30,848 INFO L434 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 [2025-03-17 08:12:30,849 INFO L435 NwaCegarLoop]: 912 mSDtfsCounter, 859 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:30,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 1745 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 08:12:30,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2025-03-17 08:12:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1573. [2025-03-17 08:12:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1112 states have (on average 1.3471223021582734) internal successors, (1498), 1166 states have internal predecessors, (1498), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2025-03-17 08:12:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2194 transitions. [2025-03-17 08:12:30,930 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2194 transitions. Word has length 32 [2025-03-17 08:12:30,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:30,930 INFO L471 AbstractCegarLoop]: Abstraction has 1573 states and 2194 transitions. [2025-03-17 08:12:30,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:12:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2194 transitions. [2025-03-17 08:12:30,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 08:12:30,933 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:30,934 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:30,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 08:12:30,934 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:30,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:30,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1810136494, now seen corresponding path program 1 times [2025-03-17 08:12:30,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:30,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916513310] [2025-03-17 08:12:30,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:31,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 08:12:31,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 08:12:31,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:31,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:31,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:31,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916513310] [2025-03-17 08:12:31,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916513310] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:31,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:31,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:31,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912741781] [2025-03-17 08:12:31,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:31,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:31,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:31,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:31,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:31,956 INFO L87 Difference]: Start difference. First operand 1573 states and 2194 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:12:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:32,143 INFO L93 Difference]: Finished difference Result 1599 states and 2226 transitions. [2025-03-17 08:12:32,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:32,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2025-03-17 08:12:32,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:32,152 INFO L225 Difference]: With dead ends: 1599 [2025-03-17 08:12:32,152 INFO L226 Difference]: Without dead ends: 1586 [2025-03-17 08:12:32,153 INFO L434 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 [2025-03-17 08:12:32,154 INFO L435 NwaCegarLoop]: 901 mSDtfsCounter, 897 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:32,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 917 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:12:32,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2025-03-17 08:12:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1573. [2025-03-17 08:12:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1112 states have (on average 1.3453237410071943) internal successors, (1496), 1166 states have internal predecessors, (1496), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2025-03-17 08:12:32,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2192 transitions. [2025-03-17 08:12:32,229 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2192 transitions. Word has length 39 [2025-03-17 08:12:32,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:32,229 INFO L471 AbstractCegarLoop]: Abstraction has 1573 states and 2192 transitions. [2025-03-17 08:12:32,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:12:32,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2192 transitions. [2025-03-17 08:12:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 08:12:32,232 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:32,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:32,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 08:12:32,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:32,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1781507343, now seen corresponding path program 1 times [2025-03-17 08:12:32,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:32,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141211780] [2025-03-17 08:12:32,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:32,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:32,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 08:12:32,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 08:12:32,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:32,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:33,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:33,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141211780] [2025-03-17 08:12:33,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141211780] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:33,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:33,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:33,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302040486] [2025-03-17 08:12:33,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:33,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:33,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:33,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:33,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:33,133 INFO L87 Difference]: Start difference. First operand 1573 states and 2192 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:33,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:33,276 INFO L93 Difference]: Finished difference Result 1575 states and 2193 transitions. [2025-03-17 08:12:33,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:33,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-03-17 08:12:33,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:33,286 INFO L225 Difference]: With dead ends: 1575 [2025-03-17 08:12:33,286 INFO L226 Difference]: Without dead ends: 1572 [2025-03-17 08:12:33,287 INFO L434 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 [2025-03-17 08:12:33,288 INFO L435 NwaCegarLoop]: 883 mSDtfsCounter, 879 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:33,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 883 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:12:33,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2025-03-17 08:12:33,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1572. [2025-03-17 08:12:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1112 states have (on average 1.3444244604316546) internal successors, (1495), 1165 states have internal predecessors, (1495), 352 states have call successors, (352), 110 states have call predecessors, (352), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2025-03-17 08:12:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2190 transitions. [2025-03-17 08:12:33,351 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2190 transitions. Word has length 39 [2025-03-17 08:12:33,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:33,352 INFO L471 AbstractCegarLoop]: Abstraction has 1572 states and 2190 transitions. [2025-03-17 08:12:33,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2190 transitions. [2025-03-17 08:12:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 08:12:33,354 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:33,354 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:33,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 08:12:33,354 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:33,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 607203405, now seen corresponding path program 1 times [2025-03-17 08:12:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:33,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075045461] [2025-03-17 08:12:33,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:34,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 08:12:34,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 08:12:34,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:34,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:34,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:34,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075045461] [2025-03-17 08:12:34,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075045461] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:34,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:34,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:34,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141003609] [2025-03-17 08:12:34,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:34,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:34,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:34,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:34,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:34,252 INFO L87 Difference]: Start difference. First operand 1572 states and 2190 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:34,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:34,424 INFO L93 Difference]: Finished difference Result 1574 states and 2191 transitions. [2025-03-17 08:12:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:34,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-03-17 08:12:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:34,434 INFO L225 Difference]: With dead ends: 1574 [2025-03-17 08:12:34,434 INFO L226 Difference]: Without dead ends: 1571 [2025-03-17 08:12:34,435 INFO L434 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 [2025-03-17 08:12:34,437 INFO L435 NwaCegarLoop]: 881 mSDtfsCounter, 876 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:34,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 881 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:12:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2025-03-17 08:12:34,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1571. [2025-03-17 08:12:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1112 states have (on average 1.3435251798561152) internal successors, (1494), 1164 states have internal predecessors, (1494), 351 states have call successors, (351), 110 states have call predecessors, (351), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2025-03-17 08:12:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2188 transitions. [2025-03-17 08:12:34,529 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2188 transitions. Word has length 40 [2025-03-17 08:12:34,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:34,531 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2188 transitions. [2025-03-17 08:12:34,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2188 transitions. [2025-03-17 08:12:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 08:12:34,533 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:34,533 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:34,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 08:12:34,533 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:34,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:34,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1642791538, now seen corresponding path program 1 times [2025-03-17 08:12:34,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:34,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61312217] [2025-03-17 08:12:34,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:34,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:35,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 08:12:35,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 08:12:35,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:35,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:35,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:35,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61312217] [2025-03-17 08:12:35,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61312217] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:35,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:35,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:35,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16067705] [2025-03-17 08:12:35,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:35,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:35,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:35,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:35,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:35,457 INFO L87 Difference]: Start difference. First operand 1571 states and 2188 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:35,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:35,606 INFO L93 Difference]: Finished difference Result 1573 states and 2189 transitions. [2025-03-17 08:12:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:35,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-03-17 08:12:35,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:35,613 INFO L225 Difference]: With dead ends: 1573 [2025-03-17 08:12:35,614 INFO L226 Difference]: Without dead ends: 1570 [2025-03-17 08:12:35,615 INFO L434 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 [2025-03-17 08:12:35,615 INFO L435 NwaCegarLoop]: 879 mSDtfsCounter, 873 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:35,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 879 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:12:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2025-03-17 08:12:35,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2025-03-17 08:12:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1112 states have (on average 1.3426258992805755) internal successors, (1493), 1163 states have internal predecessors, (1493), 350 states have call successors, (350), 110 states have call predecessors, (350), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2025-03-17 08:12:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2186 transitions. [2025-03-17 08:12:35,683 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2186 transitions. Word has length 41 [2025-03-17 08:12:35,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:35,683 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2186 transitions. [2025-03-17 08:12:35,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2186 transitions. [2025-03-17 08:12:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 08:12:35,685 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:35,685 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:35,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 08:12:35,685 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:35,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:35,685 INFO L85 PathProgramCache]: Analyzing trace with hash -613715730, now seen corresponding path program 1 times [2025-03-17 08:12:35,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:35,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124911752] [2025-03-17 08:12:35,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:35,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:36,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 08:12:36,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 08:12:36,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:36,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:36,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:36,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124911752] [2025-03-17 08:12:36,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124911752] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:36,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:36,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:36,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740215879] [2025-03-17 08:12:36,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:36,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:36,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:36,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:36,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:36,540 INFO L87 Difference]: Start difference. First operand 1570 states and 2186 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:36,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:36,950 INFO L93 Difference]: Finished difference Result 4649 states and 6473 transitions. [2025-03-17 08:12:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:36,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-03-17 08:12:36,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:36,967 INFO L225 Difference]: With dead ends: 4649 [2025-03-17 08:12:36,968 INFO L226 Difference]: Without dead ends: 3080 [2025-03-17 08:12:36,975 INFO L434 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 [2025-03-17 08:12:36,976 INFO L435 NwaCegarLoop]: 946 mSDtfsCounter, 849 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:36,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1787 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 08:12:36,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2025-03-17 08:12:37,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3070. [2025-03-17 08:12:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 2186 states have (on average 1.3426349496797805) internal successors, (2935), 2284 states have internal predecessors, (2935), 671 states have call successors, (671), 218 states have call predecessors, (671), 212 states have return successors, (662), 635 states have call predecessors, (662), 662 states have call successors, (662) [2025-03-17 08:12:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4268 transitions. [2025-03-17 08:12:37,126 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4268 transitions. Word has length 42 [2025-03-17 08:12:37,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:37,127 INFO L471 AbstractCegarLoop]: Abstraction has 3070 states and 4268 transitions. [2025-03-17 08:12:37,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4268 transitions. [2025-03-17 08:12:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 08:12:37,129 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:37,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:37,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 08:12:37,130 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:37,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:37,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1845965325, now seen corresponding path program 1 times [2025-03-17 08:12:37,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:37,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210403498] [2025-03-17 08:12:37,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:37,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:37,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 08:12:37,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 08:12:37,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:37,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:12:38,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:38,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210403498] [2025-03-17 08:12:38,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210403498] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:38,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:38,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:38,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910426780] [2025-03-17 08:12:38,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:38,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:38,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:38,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:38,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:38,051 INFO L87 Difference]: Start difference. First operand 3070 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:38,329 INFO L93 Difference]: Finished difference Result 3121 states and 4305 transitions. [2025-03-17 08:12:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:38,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-03-17 08:12:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:38,350 INFO L225 Difference]: With dead ends: 3121 [2025-03-17 08:12:38,350 INFO L226 Difference]: Without dead ends: 3068 [2025-03-17 08:12:38,354 INFO L434 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 [2025-03-17 08:12:38,355 INFO L435 NwaCegarLoop]: 882 mSDtfsCounter, 814 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:38,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 945 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:12:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2025-03-17 08:12:38,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 3048. [2025-03-17 08:12:38,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 2175 states have (on average 1.338390804597701) internal successors, (2911), 2269 states have internal predecessors, (2911), 656 states have call successors, (656), 222 states have call predecessors, (656), 216 states have return successors, (649), 624 states have call predecessors, (649), 649 states have call successors, (649) [2025-03-17 08:12:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 4216 transitions. [2025-03-17 08:12:38,560 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 4216 transitions. Word has length 43 [2025-03-17 08:12:38,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:38,561 INFO L471 AbstractCegarLoop]: Abstraction has 3048 states and 4216 transitions. [2025-03-17 08:12:38,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 08:12:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 4216 transitions. [2025-03-17 08:12:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-17 08:12:38,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:38,567 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 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] [2025-03-17 08:12:38,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 08:12:38,569 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:38,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:38,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1648099767, now seen corresponding path program 1 times [2025-03-17 08:12:38,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:38,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932801829] [2025-03-17 08:12:38,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:38,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:39,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 08:12:39,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 08:12:39,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:39,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 08:12:39,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:39,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932801829] [2025-03-17 08:12:39,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932801829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:39,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:39,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:39,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715651656] [2025-03-17 08:12:39,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:39,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:39,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:39,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:39,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:39,442 INFO L87 Difference]: Start difference. First operand 3048 states and 4216 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-17 08:12:39,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:39,929 INFO L93 Difference]: Finished difference Result 7972 states and 11048 transitions. [2025-03-17 08:12:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:39,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2025-03-17 08:12:39,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:39,958 INFO L225 Difference]: With dead ends: 7972 [2025-03-17 08:12:39,958 INFO L226 Difference]: Without dead ends: 4925 [2025-03-17 08:12:39,970 INFO L434 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 [2025-03-17 08:12:39,972 INFO L435 NwaCegarLoop]: 1356 mSDtfsCounter, 648 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:39,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 2212 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 08:12:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2025-03-17 08:12:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 4865. [2025-03-17 08:12:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4865 states, 3518 states have (on average 1.3510517339397385) internal successors, (4753), 3641 states have internal predecessors, (4753), 1007 states have call successors, (1007), 345 states have call predecessors, (1007), 339 states have return successors, (1000), 966 states have call predecessors, (1000), 1000 states have call successors, (1000) [2025-03-17 08:12:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 6760 transitions. [2025-03-17 08:12:40,186 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 6760 transitions. Word has length 138 [2025-03-17 08:12:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:40,187 INFO L471 AbstractCegarLoop]: Abstraction has 4865 states and 6760 transitions. [2025-03-17 08:12:40,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-17 08:12:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 6760 transitions. [2025-03-17 08:12:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-17 08:12:40,194 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:40,194 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 08:12:40,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 08:12:40,194 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:40,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:40,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1660240853, now seen corresponding path program 1 times [2025-03-17 08:12:40,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:40,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87073760] [2025-03-17 08:12:40,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:40,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:40,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-17 08:12:40,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-17 08:12:40,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:40,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-03-17 08:12:41,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:41,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87073760] [2025-03-17 08:12:41,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87073760] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:41,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:41,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 08:12:41,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834010714] [2025-03-17 08:12:41,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:41,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 08:12:41,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:41,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 08:12:41,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:12:41,448 INFO L87 Difference]: Start difference. First operand 4865 states and 6760 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 08:12:41,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:41,997 INFO L93 Difference]: Finished difference Result 7564 states and 10457 transitions. [2025-03-17 08:12:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 08:12:41,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 172 [2025-03-17 08:12:41,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:42,015 INFO L225 Difference]: With dead ends: 7564 [2025-03-17 08:12:42,015 INFO L226 Difference]: Without dead ends: 2700 [2025-03-17 08:12:42,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:12:42,031 INFO L435 NwaCegarLoop]: 843 mSDtfsCounter, 0 mSDsluCounter, 2522 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3365 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:42,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3365 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 08:12:42,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2700 states. [2025-03-17 08:12:42,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2700 to 2700. [2025-03-17 08:12:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2700 states, 1938 states have (on average 1.330237358101135) internal successors, (2578), 1998 states have internal predecessors, (2578), 560 states have call successors, (560), 205 states have call predecessors, (560), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2025-03-17 08:12:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2700 states and 3694 transitions. [2025-03-17 08:12:42,201 INFO L78 Accepts]: Start accepts. Automaton has 2700 states and 3694 transitions. Word has length 172 [2025-03-17 08:12:42,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:42,203 INFO L471 AbstractCegarLoop]: Abstraction has 2700 states and 3694 transitions. [2025-03-17 08:12:42,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 08:12:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 3694 transitions. [2025-03-17 08:12:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-17 08:12:42,208 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:42,208 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 08:12:42,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 08:12:42,209 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:42,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:42,209 INFO L85 PathProgramCache]: Analyzing trace with hash -980182483, now seen corresponding path program 1 times [2025-03-17 08:12:42,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:42,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031897591] [2025-03-17 08:12:42,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:42,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:42,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-17 08:12:43,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-17 08:12:43,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:43,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-03-17 08:12:43,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:43,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031897591] [2025-03-17 08:12:43,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031897591] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:43,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:43,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:43,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545927391] [2025-03-17 08:12:43,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:43,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:43,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:43,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:43,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:43,289 INFO L87 Difference]: Start difference. First operand 2700 states and 3694 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 08:12:47,315 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 [] [2025-03-17 08:12:47,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:47,681 INFO L93 Difference]: Finished difference Result 2705 states and 3697 transitions. [2025-03-17 08:12:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:47,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 172 [2025-03-17 08:12:47,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:47,696 INFO L225 Difference]: With dead ends: 2705 [2025-03-17 08:12:47,696 INFO L226 Difference]: Without dead ends: 2702 [2025-03-17 08:12:47,698 INFO L434 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 [2025-03-17 08:12:47,699 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 50 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:47,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1645 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-17 08:12:47,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2025-03-17 08:12:47,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2699. [2025-03-17 08:12:47,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2699 states, 1938 states have (on average 1.328173374613003) internal successors, (2574), 1997 states have internal predecessors, (2574), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2025-03-17 08:12:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2699 states and 3689 transitions. [2025-03-17 08:12:47,808 INFO L78 Accepts]: Start accepts. Automaton has 2699 states and 3689 transitions. Word has length 172 [2025-03-17 08:12:47,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:47,809 INFO L471 AbstractCegarLoop]: Abstraction has 2699 states and 3689 transitions. [2025-03-17 08:12:47,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 08:12:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3689 transitions. [2025-03-17 08:12:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-17 08:12:47,813 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:47,813 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 08:12:47,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 08:12:47,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:47,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:47,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1219664833, now seen corresponding path program 1 times [2025-03-17 08:12:47,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:47,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870864314] [2025-03-17 08:12:47,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:47,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:48,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-17 08:12:48,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-17 08:12:48,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:48,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-03-17 08:12:48,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:48,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870864314] [2025-03-17 08:12:48,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870864314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:48,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:48,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:12:48,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184595091] [2025-03-17 08:12:48,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:48,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:12:48,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:48,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:12:48,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:12:48,998 INFO L87 Difference]: Start difference. First operand 2699 states and 3689 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 08:12:53,030 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 [] [2025-03-17 08:12:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:53,332 INFO L93 Difference]: Finished difference Result 2702 states and 3691 transitions. [2025-03-17 08:12:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:12:53,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 173 [2025-03-17 08:12:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:53,343 INFO L225 Difference]: With dead ends: 2702 [2025-03-17 08:12:53,343 INFO L226 Difference]: Without dead ends: 2699 [2025-03-17 08:12:53,344 INFO L434 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 [2025-03-17 08:12:53,345 INFO L435 NwaCegarLoop]: 849 mSDtfsCounter, 79 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:53,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1673 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-17 08:12:53,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2025-03-17 08:12:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2699. [2025-03-17 08:12:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2699 states, 1938 states have (on average 1.324045407636739) internal successors, (2566), 1997 states have internal predecessors, (2566), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2025-03-17 08:12:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2699 states and 3681 transitions. [2025-03-17 08:12:53,440 INFO L78 Accepts]: Start accepts. Automaton has 2699 states and 3681 transitions. Word has length 173 [2025-03-17 08:12:53,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:53,440 INFO L471 AbstractCegarLoop]: Abstraction has 2699 states and 3681 transitions. [2025-03-17 08:12:53,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 08:12:53,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3681 transitions. [2025-03-17 08:12:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-17 08:12:53,444 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:12:53,444 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 08:12:53,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 08:12:53,444 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:12:53,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:12:53,445 INFO L85 PathProgramCache]: Analyzing trace with hash 826637823, now seen corresponding path program 1 times [2025-03-17 08:12:53,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:12:53,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834431630] [2025-03-17 08:12:53,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:12:53,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:12:54,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-17 08:12:54,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-17 08:12:54,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:12:54,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:12:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-03-17 08:12:54,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:12:54,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834431630] [2025-03-17 08:12:54,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834431630] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:12:54,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:12:54,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 08:12:54,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610044431] [2025-03-17 08:12:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:12:54,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 08:12:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:12:54,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 08:12:54,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:12:54,619 INFO L87 Difference]: Start difference. First operand 2699 states and 3681 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 08:12:55,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:12:55,251 INFO L93 Difference]: Finished difference Result 2699 states and 3681 transitions. [2025-03-17 08:12:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 08:12:55,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 173 [2025-03-17 08:12:55,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:12:55,255 INFO L225 Difference]: With dead ends: 2699 [2025-03-17 08:12:55,255 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 08:12:55,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:12:55,261 INFO L435 NwaCegarLoop]: 840 mSDtfsCounter, 0 mSDsluCounter, 2509 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 08:12:55,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3349 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 08:12:55,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 08:12:55,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 08:12:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:12:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 08:12:55,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2025-03-17 08:12:55,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:12:55,263 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 08:12:55,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 08:12:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 08:12:55,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 08:12:55,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 08:12:55,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 08:12:55,267 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:12:55,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.