./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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/busybox-1.22.0/expand-2.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 0a0ae96fec210daf4959a0dcb0e31114c929336931ac3a7c312b1f3b55776146 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:10:28,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:10:28,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 21:10:28,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:10:28,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:10:28,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:10:28,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:10:28,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:10:28,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 21:10:28,550 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 21:10:28,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:10:28,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:10:28,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:10:28,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:10:28,551 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:10:28,552 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:10:28,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:10:28,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:10:28,552 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 -> 0a0ae96fec210daf4959a0dcb0e31114c929336931ac3a7c312b1f3b55776146 [2025-03-08 21:10:28,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:10:28,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:10:28,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:10:28,793 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:10:28,793 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:10:28,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2025-03-08 21:10:29,843 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf49c86f5/5b492324dddc4bad8cba12b5a4ad9ec7/FLAG35e7c3047 [2025-03-08 21:10:30,243 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:10:30,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2025-03-08 21:10:30,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf49c86f5/5b492324dddc4bad8cba12b5a4ad9ec7/FLAG35e7c3047 [2025-03-08 21:10:30,285 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf49c86f5/5b492324dddc4bad8cba12b5a4ad9ec7 [2025-03-08 21:10:30,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:10:30,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:10:30,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:10:30,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:10:30,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:10:30,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:10:30" (1/1) ... [2025-03-08 21:10:30,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de5cb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:30, skipping insertion in model container [2025-03-08 21:10:30,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:10:30" (1/1) ... [2025-03-08 21:10:30,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:10:30,979 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/busybox-1.22.0/expand-2.i[96340,96353] [2025-03-08 21:10:31,051 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/busybox-1.22.0/expand-2.i[118034,118047] [2025-03-08 21:10:31,051 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/busybox-1.22.0/expand-2.i[118232,118245] [2025-03-08 21:10:31,053 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/busybox-1.22.0/expand-2.i[119254,119267] [2025-03-08 21:10:31,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:10:31,114 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:10:31,192 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/busybox-1.22.0/expand-2.i[96340,96353] [2025-03-08 21:10:31,242 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/busybox-1.22.0/expand-2.i[118034,118047] [2025-03-08 21:10:31,243 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/busybox-1.22.0/expand-2.i[118232,118245] [2025-03-08 21:10:31,244 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/busybox-1.22.0/expand-2.i[119254,119267] [2025-03-08 21:10:31,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:10:31,398 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-08 21:10:31,403 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:10:31,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31 WrapperNode [2025-03-08 21:10:31,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:10:31,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:10:31,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:10:31,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:10:31,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,560 INFO L138 Inliner]: procedures = 591, calls = 929, calls flagged for inlining = 37, calls inlined = 36, statements flattened = 2631 [2025-03-08 21:10:31,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:10:31,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:10:31,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:10:31,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:10:31,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,670 INFO L175 MemorySlicer]: Split 771 memory accesses to 27 slices as follows [3, 17, 3, 19, 3, 44, 10, 2, 33, 2, 50, 3, 1, 2, 41, 3, 11, 11, 107, 17, 5, 6, 355, 1, 15, 6, 1]. 46 percent of accesses are in the largest equivalence class. The 395 initializations are split as follows [0, 4, 0, 0, 0, 0, 0, 0, 2, 2, 0, 3, 0, 2, 12, 3, 1, 0, 7, 0, 0, 4, 355, 0, 0, 0, 0]. The 207 writes are split as follows [0, 4, 3, 4, 0, 12, 9, 1, 21, 0, 47, 0, 1, 0, 0, 0, 5, 6, 65, 17, 2, 1, 0, 1, 1, 6, 1]. [2025-03-08 21:10:31,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,720 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:10:31,797 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:10:31,797 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:10:31,797 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:10:31,798 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (1/1) ... [2025-03-08 21:10:31,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:10:31,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:10:31,839 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) [2025-03-08 21:10:31,842 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 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure getopt32 [2025-03-08 21:10:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt32 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2025-03-08 21:10:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#22 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#23 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#24 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#25 [2025-03-08 21:10:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#26 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2025-03-08 21:10:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#22 [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#23 [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#24 [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#25 [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#26 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2025-03-08 21:10:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 21:10:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-08 21:10:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 21:10:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 21:10:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 21:10:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:10:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:10:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2025-03-08 21:10:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2025-03-08 21:10:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-03-08 21:10:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-08 21:10:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-08 21:10:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-08 21:10:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-08 21:10:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-08 21:10:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-08 21:10:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-08 21:10:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-08 21:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 21:10:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 21:10:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 21:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure xatou_range [2025-03-08 21:10:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou_range [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_strwidth [2025-03-08 21:10:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_strwidth [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 21:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 21:10:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 21:10:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 21:10:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 21:10:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 21:10:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 21:10:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 21:10:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgets [2025-03-08 21:10:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgets [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-08 21:10:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 21:10:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 21:10:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 21:10:32,442 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:10:32,447 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:10:32,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2635: call ULTIMATE.dealloc(~#complementary~0#1.base, ~#complementary~0#1.offset);havoc ~#complementary~0#1.base, ~#complementary~0#1.offset; [2025-03-08 21:10:32,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3650: havoc getopt_long_#t~ret333#1; [2025-03-08 21:10:33,523 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3421: havoc #t~mem271#1;call ULTIMATE.dealloc(~#uni_stat~0#1.base, ~#uni_stat~0#1.offset);havoc ~#uni_stat~0#1.base, ~#uni_stat~0#1.offset; [2025-03-08 21:10:33,523 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3283: havoc unicode_conv_to_printable2_~d~0#1.base, unicode_conv_to_printable2_~d~0#1.offset; [2025-03-08 21:10:33,649 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3488: call ULTIMATE.dealloc(~#i~2#1.base, ~#i~2#1.offset);havoc ~#i~2#1.base, ~#i~2#1.offset; [2025-03-08 21:10:33,649 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3599: havoc _IO_getc_#t~nondet304#1; [2025-03-08 21:10:38,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2496: call ULTIMATE.dealloc(__main_~#opt_t~0#1.base, __main_~#opt_t~0#1.offset);havoc __main_~#opt_t~0#1.base, __main_~#opt_t~0#1.offset; [2025-03-08 21:10:38,858 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2566: havoc fclose_if_not_stdin_#t~bitwise101#1; [2025-03-08 21:10:39,125 INFO L? ?]: Removed 1058 outVars from TransFormulas that were not future-live. [2025-03-08 21:10:39,125 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:10:39,178 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:10:39,178 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:10:39,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:10:39 BoogieIcfgContainer [2025-03-08 21:10:39,178 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:10:39,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:10:39,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:10:39,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:10:39,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:10:30" (1/3) ... [2025-03-08 21:10:39,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5ff56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:10:39, skipping insertion in model container [2025-03-08 21:10:39,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:31" (2/3) ... [2025-03-08 21:10:39,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5ff56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:10:39, skipping insertion in model container [2025-03-08 21:10:39,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:10:39" (3/3) ... [2025-03-08 21:10:39,188 INFO L128 eAbstractionObserver]: Analyzing ICFG expand-2.i [2025-03-08 21:10:39,200 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:10:39,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG expand-2.i that has 93 procedures, 941 locations, 1 initial locations, 104 loop locations, and 8 error locations. [2025-03-08 21:10:39,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:10:39,276 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;@7921a752, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:10:39,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-08 21:10:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 645 states, 581 states have (on average 1.5834767641996557) internal successors, (920), 591 states have internal predecessors, (920), 39 states have call successors, (39), 18 states have call predecessors, (39), 18 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-03-08 21:10:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-08 21:10:39,313 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:10:39,313 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, 1, 1, 1, 1] [2025-03-08 21:10:39,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:10:39,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:10:39,317 INFO L85 PathProgramCache]: Analyzing trace with hash -621061541, now seen corresponding path program 1 times [2025-03-08 21:10:39,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:10:39,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236142254] [2025-03-08 21:10:39,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:10:39,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:10:40,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-08 21:10:40,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-08 21:10:40,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:10:40,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:10:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:10:40,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:10:40,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236142254] [2025-03-08 21:10:40,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236142254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:10:40,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:10:40,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 21:10:40,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780961319] [2025-03-08 21:10:40,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:10:40,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:10:40,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:10:40,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:10:40,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:10:40,906 INFO L87 Difference]: Start difference. First operand has 645 states, 581 states have (on average 1.5834767641996557) internal successors, (920), 591 states have internal predecessors, (920), 39 states have call successors, (39), 18 states have call predecessors, (39), 18 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 21:10:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:10:41,290 INFO L93 Difference]: Finished difference Result 1224 states and 1931 transitions. [2025-03-08 21:10:41,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:10:41,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2025-03-08 21:10:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:10:41,298 INFO L225 Difference]: With dead ends: 1224 [2025-03-08 21:10:41,298 INFO L226 Difference]: Without dead ends: 580 [2025-03-08 21:10:41,303 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 [2025-03-08 21:10:41,305 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 0 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 21:10:41,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1626 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 21:10:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2025-03-08 21:10:41,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2025-03-08 21:10:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 525 states have (on average 1.4914285714285713) internal successors, (783), 538 states have internal predecessors, (783), 34 states have call successors, (34), 16 states have call predecessors, (34), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-08 21:10:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 843 transitions. [2025-03-08 21:10:41,371 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 843 transitions. Word has length 47 [2025-03-08 21:10:41,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:10:41,371 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 843 transitions. [2025-03-08 21:10:41,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 21:10:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 843 transitions. [2025-03-08 21:10:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-08 21:10:41,373 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:10:41,373 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:10:41,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:10:41,374 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:10:41,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:10:41,374 INFO L85 PathProgramCache]: Analyzing trace with hash 752841167, now seen corresponding path program 1 times [2025-03-08 21:10:41,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:10:41,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953590291] [2025-03-08 21:10:41,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:10:41,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:10:42,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 21:10:42,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 21:10:42,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:10:42,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:10:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:10:42,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:10:42,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953590291] [2025-03-08 21:10:42,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953590291] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 21:10:42,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865432161] [2025-03-08 21:10:42,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:10:42,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 21:10:42,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:10:42,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 21:10:42,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 21:10:43,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 21:10:43,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 21:10:43,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:10:43,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:10:43,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 21:10:43,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 21:10:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:10:43,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 21:10:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:10:44,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865432161] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 21:10:44,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 21:10:44,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-08 21:10:44,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914109020] [2025-03-08 21:10:44,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 21:10:44,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 21:10:44,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:10:44,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 21:10:44,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 21:10:44,024 INFO L87 Difference]: Start difference. First operand 580 states and 843 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-08 21:10:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:10:44,557 INFO L93 Difference]: Finished difference Result 1159 states and 1687 transitions. [2025-03-08 21:10:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:10:44,557 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51 [2025-03-08 21:10:44,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:10:44,560 INFO L225 Difference]: With dead ends: 1159 [2025-03-08 21:10:44,560 INFO L226 Difference]: Without dead ends: 583 [2025-03-08 21:10:44,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 21:10:44,562 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 0 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 21:10:44,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2432 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 21:10:44,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2025-03-08 21:10:44,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2025-03-08 21:10:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 528 states have (on average 1.4886363636363635) internal successors, (786), 541 states have internal predecessors, (786), 34 states have call successors, (34), 16 states have call predecessors, (34), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-08 21:10:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 846 transitions. [2025-03-08 21:10:44,589 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 846 transitions. Word has length 51 [2025-03-08 21:10:44,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:10:44,589 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 846 transitions. [2025-03-08 21:10:44,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-08 21:10:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 846 transitions. [2025-03-08 21:10:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-08 21:10:44,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:10:44,593 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:10:44,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 21:10:44,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 21:10:44,794 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:10:44,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:10:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 20384278, now seen corresponding path program 2 times [2025-03-08 21:10:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:10:44,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374997728] [2025-03-08 21:10:44,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 21:10:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:10:45,518 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 54 statements into 2 equivalence classes. [2025-03-08 21:10:45,567 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 50 of 54 statements. [2025-03-08 21:10:45,567 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 21:10:45,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:10:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 21:10:46,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:10:46,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374997728] [2025-03-08 21:10:46,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374997728] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:10:46,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:10:46,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 21:10:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028463672] [2025-03-08 21:10:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:10:46,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:10:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:10:46,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:10:46,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:10:46,467 INFO L87 Difference]: Start difference. First operand 583 states and 846 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-08 21:10:50,499 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 [] [2025-03-08 21:10:54,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 21:10:57,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:10:57,790 INFO L93 Difference]: Finished difference Result 1348 states and 1979 transitions. [2025-03-08 21:10:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:10:57,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 54 [2025-03-08 21:10:57,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:10:57,796 INFO L225 Difference]: With dead ends: 1348 [2025-03-08 21:10:57,796 INFO L226 Difference]: Without dead ends: 815 [2025-03-08 21:10:57,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-08 21:10:57,797 INFO L435 NwaCegarLoop]: 1065 mSDtfsCounter, 1843 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 26 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2025-03-08 21:10:57,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 3296 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 437 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2025-03-08 21:10:57,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2025-03-08 21:10:57,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 811. [2025-03-08 21:10:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 747 states have (on average 1.5046854082998662) internal successors, (1124), 760 states have internal predecessors, (1124), 42 states have call successors, (42), 17 states have call predecessors, (42), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:10:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1200 transitions. [2025-03-08 21:10:57,820 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1200 transitions. Word has length 54 [2025-03-08 21:10:57,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:10:57,821 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1200 transitions. [2025-03-08 21:10:57,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-08 21:10:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1200 transitions. [2025-03-08 21:10:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-08 21:10:57,823 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:10:57,823 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:10:57,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:10:57,823 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:10:57,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:10:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash 51404085, now seen corresponding path program 1 times [2025-03-08 21:10:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:10:57,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199795660] [2025-03-08 21:10:57,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:10:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:10:58,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 21:10:58,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 21:10:58,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:10:58,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:10:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 21:10:58,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:10:58,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199795660] [2025-03-08 21:10:58,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199795660] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:10:58,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:10:58,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 21:10:58,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047743569] [2025-03-08 21:10:58,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:10:58,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 21:10:58,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:10:58,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 21:10:58,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:10:58,970 INFO L87 Difference]: Start difference. First operand 811 states and 1200 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-08 21:11:02,997 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 [] [2025-03-08 21:11:03,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:03,652 INFO L93 Difference]: Finished difference Result 1307 states and 1917 transitions. [2025-03-08 21:11:03,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 21:11:03,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 54 [2025-03-08 21:11:03,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:03,657 INFO L225 Difference]: With dead ends: 1307 [2025-03-08 21:11:03,658 INFO L226 Difference]: Without dead ends: 819 [2025-03-08 21:11:03,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 21:11:03,661 INFO L435 NwaCegarLoop]: 809 mSDtfsCounter, 961 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:03,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 1613 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-08 21:11:03,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2025-03-08 21:11:03,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 819. [2025-03-08 21:11:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 753 states have (on average 1.50199203187251) internal successors, (1131), 766 states have internal predecessors, (1131), 42 states have call successors, (42), 19 states have call predecessors, (42), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1207 transitions. [2025-03-08 21:11:03,692 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1207 transitions. Word has length 54 [2025-03-08 21:11:03,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:03,693 INFO L471 AbstractCegarLoop]: Abstraction has 819 states and 1207 transitions. [2025-03-08 21:11:03,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-08 21:11:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1207 transitions. [2025-03-08 21:11:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-08 21:11:03,694 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:03,694 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:03,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:11:03,694 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:03,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1460890605, now seen corresponding path program 1 times [2025-03-08 21:11:03,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:03,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389472494] [2025-03-08 21:11:03,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:04,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 21:11:04,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 21:11:04,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:04,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 21:11:04,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:04,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389472494] [2025-03-08 21:11:04,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389472494] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:04,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:04,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 21:11:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531876575] [2025-03-08 21:11:04,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:04,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 21:11:04,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:04,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 21:11:04,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:11:04,768 INFO L87 Difference]: Start difference. First operand 819 states and 1207 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-08 21:11:08,797 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 [] [2025-03-08 21:11:09,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:09,439 INFO L93 Difference]: Finished difference Result 1311 states and 1924 transitions. [2025-03-08 21:11:09,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 21:11:09,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 54 [2025-03-08 21:11:09,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:09,443 INFO L225 Difference]: With dead ends: 1311 [2025-03-08 21:11:09,443 INFO L226 Difference]: Without dead ends: 819 [2025-03-08 21:11:09,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 21:11:09,446 INFO L435 NwaCegarLoop]: 881 mSDtfsCounter, 890 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:09,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 1684 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-08 21:11:09,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2025-03-08 21:11:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 819. [2025-03-08 21:11:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 753 states have (on average 1.50066401062417) internal successors, (1130), 766 states have internal predecessors, (1130), 42 states have call successors, (42), 19 states have call predecessors, (42), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1206 transitions. [2025-03-08 21:11:09,473 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1206 transitions. Word has length 54 [2025-03-08 21:11:09,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:09,473 INFO L471 AbstractCegarLoop]: Abstraction has 819 states and 1206 transitions. [2025-03-08 21:11:09,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-08 21:11:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1206 transitions. [2025-03-08 21:11:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-08 21:11:09,474 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:09,474 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:09,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:11:09,474 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:09,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash 875418231, now seen corresponding path program 1 times [2025-03-08 21:11:09,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:09,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428149157] [2025-03-08 21:11:09,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:09,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:10,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-08 21:11:10,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-08 21:11:10,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:10,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 21:11:10,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:10,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428149157] [2025-03-08 21:11:10,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428149157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:10,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:10,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 21:11:10,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257240319] [2025-03-08 21:11:10,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:10,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 21:11:10,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:10,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 21:11:10,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:11:10,761 INFO L87 Difference]: Start difference. First operand 819 states and 1206 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 21:11:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:12,156 INFO L93 Difference]: Finished difference Result 1649 states and 2453 transitions. [2025-03-08 21:11:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 21:11:12,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 69 [2025-03-08 21:11:12,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:12,162 INFO L225 Difference]: With dead ends: 1649 [2025-03-08 21:11:12,163 INFO L226 Difference]: Without dead ends: 1160 [2025-03-08 21:11:12,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 21:11:12,165 INFO L435 NwaCegarLoop]: 796 mSDtfsCounter, 1360 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:12,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 1870 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-08 21:11:12,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2025-03-08 21:11:12,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 826. [2025-03-08 21:11:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 758 states have (on average 1.4973614775725594) internal successors, (1135), 771 states have internal predecessors, (1135), 44 states have call successors, (44), 21 states have call predecessors, (44), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1213 transitions. [2025-03-08 21:11:12,194 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1213 transitions. Word has length 69 [2025-03-08 21:11:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:12,196 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1213 transitions. [2025-03-08 21:11:12,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 21:11:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1213 transitions. [2025-03-08 21:11:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-08 21:11:12,196 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:12,197 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:12,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:11:12,197 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:12,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2066239368, now seen corresponding path program 1 times [2025-03-08 21:11:12,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:12,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977543294] [2025-03-08 21:11:12,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:12,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:12,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-08 21:11:13,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-08 21:11:13,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:13,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 21:11:13,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:13,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977543294] [2025-03-08 21:11:13,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977543294] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:13,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:13,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 21:11:13,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225567440] [2025-03-08 21:11:13,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:13,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:11:13,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:13,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:11:13,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:11:13,514 INFO L87 Difference]: Start difference. First operand 826 states and 1213 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 21:11:14,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:14,744 INFO L93 Difference]: Finished difference Result 839 states and 1225 transitions. [2025-03-08 21:11:14,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:11:14,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 69 [2025-03-08 21:11:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:14,747 INFO L225 Difference]: With dead ends: 839 [2025-03-08 21:11:14,747 INFO L226 Difference]: Without dead ends: 834 [2025-03-08 21:11:14,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-08 21:11:14,748 INFO L435 NwaCegarLoop]: 808 mSDtfsCounter, 13 mSDsluCounter, 3225 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4033 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:14,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4033 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-08 21:11:14,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2025-03-08 21:11:14,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 825. [2025-03-08 21:11:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 758 states have (on average 1.4973614775725594) internal successors, (1135), 770 states have internal predecessors, (1135), 43 states have call successors, (43), 21 states have call predecessors, (43), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1212 transitions. [2025-03-08 21:11:14,771 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1212 transitions. Word has length 69 [2025-03-08 21:11:14,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:14,771 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1212 transitions. [2025-03-08 21:11:14,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 21:11:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1212 transitions. [2025-03-08 21:11:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-08 21:11:14,772 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:14,772 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:14,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 21:11:14,773 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:14,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2066238407, now seen corresponding path program 1 times [2025-03-08 21:11:14,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:14,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69303585] [2025-03-08 21:11:14,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:14,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:15,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-08 21:11:15,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-08 21:11:15,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:15,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:11:15,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:15,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69303585] [2025-03-08 21:11:15,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69303585] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 21:11:15,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097639765] [2025-03-08 21:11:15,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:15,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 21:11:15,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:11:15,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 21:11:15,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 21:11:17,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-08 21:11:17,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-08 21:11:17,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:17,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:17,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 21:11:17,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 21:11:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:11:17,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 21:11:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:11:18,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097639765] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 21:11:18,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 21:11:18,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-08 21:11:18,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38431305] [2025-03-08 21:11:18,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 21:11:18,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 21:11:18,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:18,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 21:11:18,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-08 21:11:18,081 INFO L87 Difference]: Start difference. First operand 825 states and 1212 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-08 21:11:19,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:19,345 INFO L93 Difference]: Finished difference Result 1649 states and 2428 transitions. [2025-03-08 21:11:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 21:11:19,345 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 69 [2025-03-08 21:11:19,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:19,348 INFO L225 Difference]: With dead ends: 1649 [2025-03-08 21:11:19,348 INFO L226 Difference]: Without dead ends: 831 [2025-03-08 21:11:19,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-08 21:11:19,350 INFO L435 NwaCegarLoop]: 811 mSDtfsCounter, 0 mSDsluCounter, 4045 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4856 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:19,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4856 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-08 21:11:19,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2025-03-08 21:11:19,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2025-03-08 21:11:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 764 states have (on average 1.493455497382199) internal successors, (1141), 776 states have internal predecessors, (1141), 43 states have call successors, (43), 21 states have call predecessors, (43), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1218 transitions. [2025-03-08 21:11:19,377 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1218 transitions. Word has length 69 [2025-03-08 21:11:19,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:19,377 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1218 transitions. [2025-03-08 21:11:19,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-08 21:11:19,378 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1218 transitions. [2025-03-08 21:11:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 21:11:19,381 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:19,381 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:19,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 21:11:19,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-03-08 21:11:19,582 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:19,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:19,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1817668903, now seen corresponding path program 2 times [2025-03-08 21:11:19,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:19,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944172952] [2025-03-08 21:11:19,582 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 21:11:19,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:20,193 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-03-08 21:11:20,260 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 65 of 75 statements. [2025-03-08 21:11:20,261 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 21:11:20,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:20,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:20,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944172952] [2025-03-08 21:11:20,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944172952] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:20,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:20,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 21:11:20,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287381478] [2025-03-08 21:11:20,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:20,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:11:20,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:20,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:11:20,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:11:20,578 INFO L87 Difference]: Start difference. First operand 831 states and 1218 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:21,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:21,072 INFO L93 Difference]: Finished difference Result 1630 states and 2388 transitions. [2025-03-08 21:11:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:11:21,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 75 [2025-03-08 21:11:21,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:21,077 INFO L225 Difference]: With dead ends: 1630 [2025-03-08 21:11:21,078 INFO L226 Difference]: Without dead ends: 835 [2025-03-08 21:11:21,079 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 [2025-03-08 21:11:21,080 INFO L435 NwaCegarLoop]: 810 mSDtfsCounter, 21 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:21,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1592 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 21:11:21,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2025-03-08 21:11:21,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2025-03-08 21:11:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 767 states have (on average 1.4902216427640156) internal successors, (1143), 779 states have internal predecessors, (1143), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1220 transitions. [2025-03-08 21:11:21,102 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1220 transitions. Word has length 75 [2025-03-08 21:11:21,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:21,102 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1220 transitions. [2025-03-08 21:11:21,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1220 transitions. [2025-03-08 21:11:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-08 21:11:21,103 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:21,104 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:21,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 21:11:21,104 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:21,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:21,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1370295932, now seen corresponding path program 1 times [2025-03-08 21:11:21,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:21,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551972951] [2025-03-08 21:11:21,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:21,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:21,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-08 21:11:21,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-08 21:11:21,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:21,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:22,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:22,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551972951] [2025-03-08 21:11:22,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551972951] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:22,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:22,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 21:11:22,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156227012] [2025-03-08 21:11:22,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:22,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 21:11:22,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:22,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 21:11:22,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:11:22,122 INFO L87 Difference]: Start difference. First operand 835 states and 1220 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:22,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:22,881 INFO L93 Difference]: Finished difference Result 1645 states and 2410 transitions. [2025-03-08 21:11:22,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 21:11:22,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 83 [2025-03-08 21:11:22,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:22,884 INFO L225 Difference]: With dead ends: 1645 [2025-03-08 21:11:22,884 INFO L226 Difference]: Without dead ends: 837 [2025-03-08 21:11:22,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:11:22,886 INFO L435 NwaCegarLoop]: 809 mSDtfsCounter, 0 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:22,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2413 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 21:11:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2025-03-08 21:11:22,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2025-03-08 21:11:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 769 states have (on average 1.4889466840052015) internal successors, (1145), 781 states have internal predecessors, (1145), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1222 transitions. [2025-03-08 21:11:22,907 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1222 transitions. Word has length 83 [2025-03-08 21:11:22,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:22,907 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1222 transitions. [2025-03-08 21:11:22,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1222 transitions. [2025-03-08 21:11:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-08 21:11:22,908 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:22,908 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:22,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 21:11:22,909 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:22,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:22,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1116823843, now seen corresponding path program 1 times [2025-03-08 21:11:22,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:22,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569115138] [2025-03-08 21:11:22,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:22,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:23,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-08 21:11:23,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-08 21:11:23,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:23,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:24,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:24,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569115138] [2025-03-08 21:11:24,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569115138] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:24,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:24,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 21:11:24,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849501321] [2025-03-08 21:11:24,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:24,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:11:24,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:24,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:11:24,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:11:24,021 INFO L87 Difference]: Start difference. First operand 837 states and 1222 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:25,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:25,300 INFO L93 Difference]: Finished difference Result 1647 states and 2412 transitions. [2025-03-08 21:11:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:11:25,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 83 [2025-03-08 21:11:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:25,303 INFO L225 Difference]: With dead ends: 1647 [2025-03-08 21:11:25,303 INFO L226 Difference]: Without dead ends: 840 [2025-03-08 21:11:25,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-08 21:11:25,305 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 2 mSDsluCounter, 3200 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:25,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4005 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-08 21:11:25,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2025-03-08 21:11:25,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2025-03-08 21:11:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 772 states have (on average 1.4870466321243523) internal successors, (1148), 784 states have internal predecessors, (1148), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1225 transitions. [2025-03-08 21:11:25,327 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1225 transitions. Word has length 83 [2025-03-08 21:11:25,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:25,327 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1225 transitions. [2025-03-08 21:11:25,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1225 transitions. [2025-03-08 21:11:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-08 21:11:25,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:25,329 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:25,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 21:11:25,329 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:25,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:25,329 INFO L85 PathProgramCache]: Analyzing trace with hash -932368922, now seen corresponding path program 1 times [2025-03-08 21:11:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840146718] [2025-03-08 21:11:25,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:25,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:25,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-08 21:11:25,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-08 21:11:25,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:25,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:26,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:26,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840146718] [2025-03-08 21:11:26,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840146718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:26,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:26,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 21:11:26,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776025896] [2025-03-08 21:11:26,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:26,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 21:11:26,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:26,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 21:11:26,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:11:26,362 INFO L87 Difference]: Start difference. First operand 840 states and 1225 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:27,060 INFO L93 Difference]: Finished difference Result 1647 states and 2410 transitions. [2025-03-08 21:11:27,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 21:11:27,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 85 [2025-03-08 21:11:27,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:27,063 INFO L225 Difference]: With dead ends: 1647 [2025-03-08 21:11:27,063 INFO L226 Difference]: Without dead ends: 842 [2025-03-08 21:11:27,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:11:27,065 INFO L435 NwaCegarLoop]: 809 mSDtfsCounter, 0 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:27,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2413 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 21:11:27,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-03-08 21:11:27,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2025-03-08 21:11:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 774 states have (on average 1.4857881136950903) internal successors, (1150), 786 states have internal predecessors, (1150), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:27,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1227 transitions. [2025-03-08 21:11:27,087 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1227 transitions. Word has length 85 [2025-03-08 21:11:27,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:27,087 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1227 transitions. [2025-03-08 21:11:27,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1227 transitions. [2025-03-08 21:11:27,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-08 21:11:27,088 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:27,088 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:27,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 21:11:27,089 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:27,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:27,089 INFO L85 PathProgramCache]: Analyzing trace with hash -2099065241, now seen corresponding path program 1 times [2025-03-08 21:11:27,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:27,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056773730] [2025-03-08 21:11:27,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:27,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:27,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-08 21:11:27,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-08 21:11:27,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:27,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:28,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:28,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056773730] [2025-03-08 21:11:28,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056773730] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:28,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:28,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:11:28,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427297673] [2025-03-08 21:11:28,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:28,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 21:11:28,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:28,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 21:11:28,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 21:11:28,145 INFO L87 Difference]: Start difference. First operand 842 states and 1227 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:29,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:29,097 INFO L93 Difference]: Finished difference Result 1651 states and 2415 transitions. [2025-03-08 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 21:11:29,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 85 [2025-03-08 21:11:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:29,101 INFO L225 Difference]: With dead ends: 1651 [2025-03-08 21:11:29,101 INFO L226 Difference]: Without dead ends: 844 [2025-03-08 21:11:29,102 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 [2025-03-08 21:11:29,102 INFO L435 NwaCegarLoop]: 811 mSDtfsCounter, 0 mSDsluCounter, 2412 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3223 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:29,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3223 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-08 21:11:29,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2025-03-08 21:11:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 841. [2025-03-08 21:11:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 773 states have (on average 1.4851228978007762) internal successors, (1148), 785 states have internal predecessors, (1148), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1225 transitions. [2025-03-08 21:11:29,140 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1225 transitions. Word has length 85 [2025-03-08 21:11:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:29,140 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1225 transitions. [2025-03-08 21:11:29,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-08 21:11:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1225 transitions. [2025-03-08 21:11:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-08 21:11:29,143 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:29,143 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:29,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 21:11:29,143 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:29,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash -824113308, now seen corresponding path program 1 times [2025-03-08 21:11:29,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:29,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533444269] [2025-03-08 21:11:29,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:29,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:29,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-08 21:11:29,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-08 21:11:29,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:29,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:30,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:30,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533444269] [2025-03-08 21:11:30,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533444269] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:30,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:30,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 21:11:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741404474] [2025-03-08 21:11:30,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:30,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:11:30,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:30,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:11:30,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:11:30,565 INFO L87 Difference]: Start difference. First operand 841 states and 1225 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 21:11:34,590 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 [] [2025-03-08 21:11:38,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 21:11:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:41,668 INFO L93 Difference]: Finished difference Result 1380 states and 2001 transitions. [2025-03-08 21:11:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:11:41,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 87 [2025-03-08 21:11:41,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:41,672 INFO L225 Difference]: With dead ends: 1380 [2025-03-08 21:11:41,672 INFO L226 Difference]: Without dead ends: 843 [2025-03-08 21:11:41,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-08 21:11:41,673 INFO L435 NwaCegarLoop]: 791 mSDtfsCounter, 1801 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 23 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:41,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 3021 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 382 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2025-03-08 21:11:41,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2025-03-08 21:11:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 841. [2025-03-08 21:11:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 773 states have (on average 1.4838292367399741) internal successors, (1147), 785 states have internal predecessors, (1147), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1224 transitions. [2025-03-08 21:11:41,692 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1224 transitions. Word has length 87 [2025-03-08 21:11:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:41,693 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1224 transitions. [2025-03-08 21:11:41,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 21:11:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1224 transitions. [2025-03-08 21:11:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-08 21:11:41,694 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:41,694 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:41,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 21:11:41,694 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:41,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:41,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1746796891, now seen corresponding path program 1 times [2025-03-08 21:11:41,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:41,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902393079] [2025-03-08 21:11:41,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:41,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:42,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-08 21:11:42,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-08 21:11:42,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:42,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:42,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:42,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902393079] [2025-03-08 21:11:42,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902393079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:42,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:42,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 21:11:42,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026305153] [2025-03-08 21:11:42,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:42,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:11:42,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:42,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:11:42,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:11:42,706 INFO L87 Difference]: Start difference. First operand 841 states and 1224 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 21:11:43,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:43,163 INFO L93 Difference]: Finished difference Result 1454 states and 2130 transitions. [2025-03-08 21:11:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:11:43,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 87 [2025-03-08 21:11:43,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:43,167 INFO L225 Difference]: With dead ends: 1454 [2025-03-08 21:11:43,167 INFO L226 Difference]: Without dead ends: 778 [2025-03-08 21:11:43,168 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 [2025-03-08 21:11:43,168 INFO L435 NwaCegarLoop]: 810 mSDtfsCounter, 0 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:43,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1616 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 21:11:43,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2025-03-08 21:11:43,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2025-03-08 21:11:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 710 states have (on average 1.4690140845070423) internal successors, (1043), 722 states have internal predecessors, (1043), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1120 transitions. [2025-03-08 21:11:43,187 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1120 transitions. Word has length 87 [2025-03-08 21:11:43,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:43,187 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1120 transitions. [2025-03-08 21:11:43,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 21:11:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1120 transitions. [2025-03-08 21:11:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-08 21:11:43,188 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:43,188 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:43,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 21:11:43,188 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:43,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:43,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1590547371, now seen corresponding path program 1 times [2025-03-08 21:11:43,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:43,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361979020] [2025-03-08 21:11:43,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:43,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:43,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-08 21:11:43,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-08 21:11:43,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:43,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:44,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:44,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361979020] [2025-03-08 21:11:44,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361979020] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:44,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:44,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 21:11:44,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139201613] [2025-03-08 21:11:44,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:44,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:11:44,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:44,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:11:44,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:11:44,530 INFO L87 Difference]: Start difference. First operand 778 states and 1120 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 21:11:48,555 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 [] [2025-03-08 21:11:52,585 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 [] [2025-03-08 21:11:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 21:11:55,511 INFO L93 Difference]: Finished difference Result 1323 states and 1907 transitions. [2025-03-08 21:11:55,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:11:55,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 87 [2025-03-08 21:11:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 21:11:55,515 INFO L225 Difference]: With dead ends: 1323 [2025-03-08 21:11:55,515 INFO L226 Difference]: Without dead ends: 780 [2025-03-08 21:11:55,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-08 21:11:55,517 INFO L435 NwaCegarLoop]: 988 mSDtfsCounter, 1708 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2025-03-08 21:11:55,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1709 Valid, 2970 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 343 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2025-03-08 21:11:55,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2025-03-08 21:11:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 778. [2025-03-08 21:11:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 710 states have (on average 1.4661971830985916) internal successors, (1041), 722 states have internal predecessors, (1041), 43 states have call successors, (43), 22 states have call predecessors, (43), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 21:11:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1118 transitions. [2025-03-08 21:11:55,550 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1118 transitions. Word has length 87 [2025-03-08 21:11:55,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 21:11:55,550 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1118 transitions. [2025-03-08 21:11:55,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 21:11:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1118 transitions. [2025-03-08 21:11:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-08 21:11:55,551 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:55,551 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:11:55,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 21:11:55,552 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-08 21:11:55,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:55,552 INFO L85 PathProgramCache]: Analyzing trace with hash -345112916, now seen corresponding path program 1 times [2025-03-08 21:11:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732676830] [2025-03-08 21:11:55,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:11:56,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-08 21:11:56,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-08 21:11:56,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:11:56,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:11:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 21:11:57,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:11:57,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732676830] [2025-03-08 21:11:57,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732676830] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:11:57,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:11:57,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 21:11:57,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809211818] [2025-03-08 21:11:57,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:11:57,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:11:57,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:11:57,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:11:57,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:11:57,699 INFO L87 Difference]: Start difference. First operand 778 states and 1118 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)