./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/uniq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/uniq-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08565b92f9e1ab6a47cc07eab48e4ddba14d2beb0d6a637f829640714554b58e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 18:59:19,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 18:59:19,506 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 18:59:19,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 18:59:19,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 18:59:19,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 18:59:19,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 18:59:19,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 18:59:19,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 18:59:19,530 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 18:59:19,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 18:59:19,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 18:59:19,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 18:59:19,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 18:59:19,532 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 18:59:19,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 18:59:19,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 18:59:19,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 18:59:19,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 18:59:19,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 18:59:19,533 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 18:59:19,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 18:59:19,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 18:59:19,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:59:19,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 18:59:19,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 18:59:19,534 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 18:59:19,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 18:59:19,534 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 18:59:19,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 18:59:19,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 18:59:19,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 18:59:19,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 18:59:19,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 18:59:19,535 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 ! overflow) ) 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 -> 08565b92f9e1ab6a47cc07eab48e4ddba14d2beb0d6a637f829640714554b58e [2025-03-17 18:59:19,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 18:59:19,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 18:59:19,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 18:59:19,787 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 18:59:19,787 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 18:59:19,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2025-03-17 18:59:20,908 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773d89c2a/94053083c1af4cc5898679b0eb2a4933/FLAGd7be69f23 [2025-03-17 18:59:21,317 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 18:59:21,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2025-03-17 18:59:21,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773d89c2a/94053083c1af4cc5898679b0eb2a4933/FLAGd7be69f23 [2025-03-17 18:59:21,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773d89c2a/94053083c1af4cc5898679b0eb2a4933 [2025-03-17 18:59:21,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 18:59:21,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 18:59:21,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 18:59:21,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 18:59:21,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 18:59:21,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:21" (1/1) ... [2025-03-17 18:59:21,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc0da04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:21, skipping insertion in model container [2025-03-17 18:59:21,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:21" (1/1) ... [2025-03-17 18:59:21,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 18:59:22,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:59:22,367 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 18:59:22,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:59:22,659 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-17 18:59:22,665 INFO L204 MainTranslator]: Completed translation [2025-03-17 18:59:22,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22 WrapperNode [2025-03-17 18:59:22,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 18:59:22,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 18:59:22,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 18:59:22,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 18:59:22,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,774 INFO L138 Inliner]: procedures = 600, calls = 768, calls flagged for inlining = 31, calls inlined = 30, statements flattened = 2127 [2025-03-17 18:59:22,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 18:59:22,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 18:59:22,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 18:59:22,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 18:59:22,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,801 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,903 INFO L175 MemorySlicer]: Split 633 memory accesses to 21 slices as follows [15, 2, 17, 44, 30, 7, 3, 29, 3, 13, 3, 17, 17, 355, 6, 2, 6, 33, 3, 17, 11]. 56 percent of accesses are in the largest equivalence class. The 368 initializations are split as follows [0, 2, 1, 0, 2, 0, 3, 0, 0, 1, 0, 0, 4, 355, 0, 0, 0, 0, 0, 0, 0]. The 108 writes are split as follows [1, 0, 15, 12, 20, 7, 0, 0, 0, 6, 0, 17, 4, 0, 2, 1, 3, 13, 0, 3, 4]. [2025-03-17 18:59:22,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:22,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:23,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:23,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:23,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 18:59:23,049 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 18:59:23,049 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 18:59:23,049 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 18:59:23,050 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (1/1) ... [2025-03-17 18:59:23,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:59:23,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:59:23,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 18:59:23,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 18:59:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure xopen [2025-03-17 18:59:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure xopen [2025-03-17 18:59:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2025-03-17 18:59:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2025-03-17 18:59:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2025-03-17 18:59:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2025-03-17 18:59:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2025-03-17 18:59:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2025-03-17 18:59:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2025-03-17 18:59:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2025-03-17 18:59:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2025-03-17 18:59:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2025-03-17 18:59:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2025-03-17 18:59:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2025-03-17 18:59:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2025-03-17 18:59:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2025-03-17 18:59:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2025-03-17 18:59:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2025-03-17 18:59:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2025-03-17 18:59:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2025-03-17 18:59:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2025-03-17 18:59:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2025-03-17 18:59:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2025-03-17 18:59:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2025-03-17 18:59:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2025-03-17 18:59:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2025-03-17 18:59:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2025-03-17 18:59:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 18:59:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 18:59:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 18:59:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-17 18:59:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 18:59:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 18:59:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 18:59:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2025-03-17 18:59:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2025-03-17 18:59:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2025-03-17 18:59:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2025-03-17 18:59:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2025-03-17 18:59:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2025-03-17 18:59:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-03-17 18:59:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-17 18:59:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 18:59:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-17 18:59:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-17 18:59:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-17 18:59:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 18:59:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 18:59:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 18:59:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 18:59:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 18:59:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 18:59:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 18:59:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 18:59:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2025-03-17 18:59:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 18:59:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-17 18:59:23,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 18:59:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-17 18:59:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-17 18:59:23,622 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 18:59:23,625 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 18:59:29,262 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2548: call ULTIMATE.dealloc(getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset);havoc getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset; [2025-03-17 18:59:29,263 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3147: call ULTIMATE.dealloc(xmalloc_fgetline_~#i~2#1.base, xmalloc_fgetline_~#i~2#1.offset);havoc xmalloc_fgetline_~#i~2#1.base, xmalloc_fgetline_~#i~2#1.offset; [2025-03-17 18:59:29,263 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2995: call ULTIMATE.dealloc(__main_~#skip_fields~0#1.base, __main_~#skip_fields~0#1.offset);havoc __main_~#skip_fields~0#1.base, __main_~#skip_fields~0#1.offset;call ULTIMATE.dealloc(__main_~#skip_chars~0#1.base, __main_~#skip_chars~0#1.offset);havoc __main_~#skip_chars~0#1.base, __main_~#skip_chars~0#1.offset;call ULTIMATE.dealloc(__main_~#max_chars~0#1.base, __main_~#max_chars~0#1.offset);havoc __main_~#max_chars~0#1.base, __main_~#max_chars~0#1.offset; [2025-03-17 18:59:29,263 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3264: havoc _IO_getc_#t~nondet261#1; [2025-03-17 18:59:29,263 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3338: havoc getopt_long_#t~ret297#1; [2025-03-17 18:59:29,470 INFO L? ?]: Removed 846 outVars from TransFormulas that were not future-live. [2025-03-17 18:59:29,470 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 18:59:29,514 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 18:59:29,514 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 18:59:29,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:59:29 BoogieIcfgContainer [2025-03-17 18:59:29,514 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 18:59:29,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 18:59:29,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 18:59:29,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 18:59:29,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:59:21" (1/3) ... [2025-03-17 18:59:29,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fddb56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:59:29, skipping insertion in model container [2025-03-17 18:59:29,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:22" (2/3) ... [2025-03-17 18:59:29,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fddb56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:59:29, skipping insertion in model container [2025-03-17 18:59:29,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:59:29" (3/3) ... [2025-03-17 18:59:29,527 INFO L128 eAbstractionObserver]: Analyzing ICFG uniq-1.i [2025-03-17 18:59:29,539 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 18:59:29,544 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uniq-1.i that has 72 procedures, 830 locations, 1 initial locations, 77 loop locations, and 78 error locations. [2025-03-17 18:59:29,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 18:59:29,606 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;@1f1cf915, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 18:59:29,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2025-03-17 18:59:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 480 states have (on average 1.675) internal successors, (804), 565 states have internal predecessors, (804), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-17 18:59:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 18:59:29,615 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:29,616 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 18:59:29,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:29,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:29,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1318672, now seen corresponding path program 1 times [2025-03-17 18:59:29,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:29,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696742730] [2025-03-17 18:59:29,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:29,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:29,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 18:59:30,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 18:59:30,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:30,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:59:30,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:30,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696742730] [2025-03-17 18:59:30,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696742730] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:59:30,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:59:30,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 18:59:30,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134106558] [2025-03-17 18:59:30,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:59:30,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:59:30,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:30,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:59:30,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:30,386 INFO L87 Difference]: Start difference. First operand has 606 states, 480 states have (on average 1.675) internal successors, (804), 565 states have internal predecessors, (804), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:59:30,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:30,576 INFO L93 Difference]: Finished difference Result 1094 states and 1614 transitions. [2025-03-17 18:59:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:59:30,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-03-17 18:59:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:30,584 INFO L225 Difference]: With dead ends: 1094 [2025-03-17 18:59:30,584 INFO L226 Difference]: Without dead ends: 488 [2025-03-17 18:59:30,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:30,590 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 1 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:30,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1308 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 18:59:30,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-03-17 18:59:30,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2025-03-17 18:59:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 407 states have (on average 1.5626535626535627) internal successors, (636), 459 states have internal predecessors, (636), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 680 transitions. [2025-03-17 18:59:30,659 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 680 transitions. Word has length 3 [2025-03-17 18:59:30,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:30,659 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 680 transitions. [2025-03-17 18:59:30,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:59:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 680 transitions. [2025-03-17 18:59:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 18:59:30,660 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:30,660 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2025-03-17 18:59:30,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 18:59:30,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:30,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:30,661 INFO L85 PathProgramCache]: Analyzing trace with hash 631106173, now seen corresponding path program 1 times [2025-03-17 18:59:30,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:30,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465900629] [2025-03-17 18:59:30,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:30,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:30,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:59:30,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:59:30,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:30,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:59:31,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:31,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465900629] [2025-03-17 18:59:31,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465900629] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:59:31,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991659146] [2025-03-17 18:59:31,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:31,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:59:31,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:59:31,136 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) [2025-03-17 18:59:31,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 18:59:31,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:59:31,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:59:31,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:31,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:31,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:59:31,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:59:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:59:31,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:59:31,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991659146] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:59:31,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:59:31,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2025-03-17 18:59:31,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798366503] [2025-03-17 18:59:31,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:59:31,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:59:31,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:31,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:59:31,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:59:31,729 INFO L87 Difference]: Start difference. First operand 488 states and 680 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:59:35,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:59:35,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:35,941 INFO L93 Difference]: Finished difference Result 488 states and 680 transitions. [2025-03-17 18:59:35,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:59:35,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 18:59:35,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:35,950 INFO L225 Difference]: With dead ends: 488 [2025-03-17 18:59:35,951 INFO L226 Difference]: Without dead ends: 487 [2025-03-17 18:59:35,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:59:35,953 INFO L435 NwaCegarLoop]: 649 mSDtfsCounter, 1 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:35,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1945 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-17 18:59:35,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-03-17 18:59:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2025-03-17 18:59:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 407 states have (on average 1.5601965601965602) internal successors, (635), 458 states have internal predecessors, (635), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 679 transitions. [2025-03-17 18:59:35,979 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 679 transitions. Word has length 6 [2025-03-17 18:59:35,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:35,979 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 679 transitions. [2025-03-17 18:59:35,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:59:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 679 transitions. [2025-03-17 18:59:35,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 18:59:35,980 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:35,980 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2025-03-17 18:59:35,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 18:59:36,181 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 [2025-03-17 18:59:36,181 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:36,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1910543854, now seen corresponding path program 1 times [2025-03-17 18:59:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:36,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891856687] [2025-03-17 18:59:36,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:36,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 18:59:36,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 18:59:36,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:36,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 18:59:36,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:36,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891856687] [2025-03-17 18:59:36,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891856687] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:59:36,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:59:36,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:59:36,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906907285] [2025-03-17 18:59:36,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:59:36,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:59:36,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:36,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:59:36,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:36,519 INFO L87 Difference]: Start difference. First operand 487 states and 679 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:59:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:36,663 INFO L93 Difference]: Finished difference Result 487 states and 679 transitions. [2025-03-17 18:59:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:59:36,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 18:59:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:36,665 INFO L225 Difference]: With dead ends: 487 [2025-03-17 18:59:36,665 INFO L226 Difference]: Without dead ends: 486 [2025-03-17 18:59:36,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:36,666 INFO L435 NwaCegarLoop]: 650 mSDtfsCounter, 0 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:36,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1298 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 18:59:36,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-03-17 18:59:36,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 484. [2025-03-17 18:59:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 405 states have (on average 1.5604938271604938) internal successors, (632), 455 states have internal predecessors, (632), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 676 transitions. [2025-03-17 18:59:36,690 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 676 transitions. Word has length 7 [2025-03-17 18:59:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:36,691 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 676 transitions. [2025-03-17 18:59:36,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:59:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 676 transitions. [2025-03-17 18:59:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 18:59:36,692 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:36,692 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:59:36,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 18:59:36,692 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:36,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:36,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1642207543, now seen corresponding path program 1 times [2025-03-17 18:59:36,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:36,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7554667] [2025-03-17 18:59:36,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:36,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:36,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:59:36,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:59:36,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:36,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:59:37,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:37,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7554667] [2025-03-17 18:59:37,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7554667] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:59:37,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034452217] [2025-03-17 18:59:37,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:37,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:59:37,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:59:37,052 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) [2025-03-17 18:59:37,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 18:59:37,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:59:37,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:59:37,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:37,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:37,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 18:59:37,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:59:37,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 18:59:37,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:59:37,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034452217] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:59:37,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:59:37,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 18:59:37,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797709480] [2025-03-17 18:59:37,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:59:37,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:59:37,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:37,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:59:37,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:59:37,722 INFO L87 Difference]: Start difference. First operand 484 states and 676 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:41,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:59:41,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:41,870 INFO L93 Difference]: Finished difference Result 484 states and 676 transitions. [2025-03-17 18:59:41,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:59:41,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-03-17 18:59:41,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:41,873 INFO L225 Difference]: With dead ends: 484 [2025-03-17 18:59:41,873 INFO L226 Difference]: Without dead ends: 482 [2025-03-17 18:59:41,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:59:41,874 INFO L435 NwaCegarLoop]: 643 mSDtfsCounter, 561 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:41,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 736 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:59:41,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-03-17 18:59:41,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2025-03-17 18:59:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 405 states have (on average 1.5555555555555556) internal successors, (630), 453 states have internal predecessors, (630), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:41,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 674 transitions. [2025-03-17 18:59:41,895 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 674 transitions. Word has length 11 [2025-03-17 18:59:41,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:41,896 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 674 transitions. [2025-03-17 18:59:41,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 674 transitions. [2025-03-17 18:59:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 18:59:41,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:41,897 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:59:41,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 18:59:42,097 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,SelfDestructingSolverStorable3 [2025-03-17 18:59:42,098 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:42,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash -631172462, now seen corresponding path program 1 times [2025-03-17 18:59:42,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:42,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060404578] [2025-03-17 18:59:42,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:42,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:42,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:59:42,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:59:42,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:42,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:59:42,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:42,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060404578] [2025-03-17 18:59:42,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060404578] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:59:42,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113098875] [2025-03-17 18:59:42,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:42,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:59:42,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:59:42,463 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 18:59:42,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 18:59:42,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:59:43,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:59:43,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:43,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:43,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:59:43,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:59:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:59:43,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:59:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:59:43,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113098875] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:59:43,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:59:43,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2025-03-17 18:59:43,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009840764] [2025-03-17 18:59:43,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:59:43,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:59:43,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:43,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:59:43,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:59:43,139 INFO L87 Difference]: Start difference. First operand 482 states and 674 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:59:43,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:43,241 INFO L93 Difference]: Finished difference Result 968 states and 1354 transitions. [2025-03-17 18:59:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:59:43,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2025-03-17 18:59:43,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:43,244 INFO L225 Difference]: With dead ends: 968 [2025-03-17 18:59:43,244 INFO L226 Difference]: Without dead ends: 491 [2025-03-17 18:59:43,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:59:43,245 INFO L435 NwaCegarLoop]: 648 mSDtfsCounter, 4 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:43,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1294 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 18:59:43,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-03-17 18:59:43,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2025-03-17 18:59:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 414 states have (on average 1.5434782608695652) internal successors, (639), 462 states have internal predecessors, (639), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 683 transitions. [2025-03-17 18:59:43,256 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 683 transitions. Word has length 12 [2025-03-17 18:59:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:43,256 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 683 transitions. [2025-03-17 18:59:43,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:59:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 683 transitions. [2025-03-17 18:59:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 18:59:43,256 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:43,256 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:59:43,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 18:59:43,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:59:43,457 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:43,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:43,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1615736485, now seen corresponding path program 2 times [2025-03-17 18:59:43,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:43,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939580816] [2025-03-17 18:59:43,457 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 18:59:43,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:43,603 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-17 18:59:43,631 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 21 statements. [2025-03-17 18:59:43,631 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 18:59:43,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 18:59:43,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:43,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939580816] [2025-03-17 18:59:43,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939580816] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:59:43,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:59:43,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 18:59:43,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251999757] [2025-03-17 18:59:43,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:59:43,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 18:59:43,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:43,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 18:59:43,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:59:43,906 INFO L87 Difference]: Start difference. First operand 491 states and 683 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:47,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:59:48,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:48,156 INFO L93 Difference]: Finished difference Result 491 states and 683 transitions. [2025-03-17 18:59:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 18:59:48,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2025-03-17 18:59:48,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:48,158 INFO L225 Difference]: With dead ends: 491 [2025-03-17 18:59:48,159 INFO L226 Difference]: Without dead ends: 489 [2025-03-17 18:59:48,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:59:48,160 INFO L435 NwaCegarLoop]: 638 mSDtfsCounter, 560 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:48,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1994 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-17 18:59:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-03-17 18:59:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2025-03-17 18:59:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 414 states have (on average 1.538647342995169) internal successors, (637), 460 states have internal predecessors, (637), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 681 transitions. [2025-03-17 18:59:48,178 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 681 transitions. Word has length 21 [2025-03-17 18:59:48,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:48,178 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 681 transitions. [2025-03-17 18:59:48,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:48,178 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 681 transitions. [2025-03-17 18:59:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 18:59:48,179 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:48,179 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:59:48,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 18:59:48,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:48,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:48,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2142243041, now seen corresponding path program 1 times [2025-03-17 18:59:48,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:48,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285300074] [2025-03-17 18:59:48,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:48,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:48,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 18:59:48,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 18:59:48,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:48,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 18:59:48,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:48,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285300074] [2025-03-17 18:59:48,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285300074] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:59:48,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:59:48,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:59:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28726393] [2025-03-17 18:59:48,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:59:48,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:59:48,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:48,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:59:48,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:48,492 INFO L87 Difference]: Start difference. First operand 489 states and 681 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:52,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:59:52,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:52,635 INFO L93 Difference]: Finished difference Result 962 states and 1347 transitions. [2025-03-17 18:59:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:59:52,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2025-03-17 18:59:52,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:52,639 INFO L225 Difference]: With dead ends: 962 [2025-03-17 18:59:52,639 INFO L226 Difference]: Without dead ends: 492 [2025-03-17 18:59:52,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:52,640 INFO L435 NwaCegarLoop]: 646 mSDtfsCounter, 1 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1287 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:52,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1287 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:59:52,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2025-03-17 18:59:52,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2025-03-17 18:59:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 417 states have (on average 1.5347721822541966) internal successors, (640), 463 states have internal predecessors, (640), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 684 transitions. [2025-03-17 18:59:52,663 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 684 transitions. Word has length 26 [2025-03-17 18:59:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:52,663 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 684 transitions. [2025-03-17 18:59:52,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 684 transitions. [2025-03-17 18:59:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 18:59:52,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:52,664 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:59:52,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 18:59:52,665 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:52,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:52,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1985363201, now seen corresponding path program 1 times [2025-03-17 18:59:52,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:52,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246889173] [2025-03-17 18:59:52,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:52,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:52,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 18:59:52,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 18:59:52,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:52,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 18:59:52,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:52,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246889173] [2025-03-17 18:59:52,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246889173] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:59:52,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:59:52,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:59:52,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695886126] [2025-03-17 18:59:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:59:52,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:59:52,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:52,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:59:52,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:52,970 INFO L87 Difference]: Start difference. First operand 492 states and 684 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:53,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:59:53,124 INFO L93 Difference]: Finished difference Result 786 states and 1119 transitions. [2025-03-17 18:59:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:59:53,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-03-17 18:59:53,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:59:53,127 INFO L225 Difference]: With dead ends: 786 [2025-03-17 18:59:53,127 INFO L226 Difference]: Without dead ends: 784 [2025-03-17 18:59:53,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:59:53,128 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 407 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:59:53,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1274 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 18:59:53,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2025-03-17 18:59:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 496. [2025-03-17 18:59:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 421 states have (on average 1.5320665083135392) internal successors, (645), 467 states have internal predecessors, (645), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:59:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 689 transitions. [2025-03-17 18:59:53,146 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 689 transitions. Word has length 27 [2025-03-17 18:59:53,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:59:53,147 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 689 transitions. [2025-03-17 18:59:53,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:59:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 689 transitions. [2025-03-17 18:59:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 18:59:53,148 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:59:53,148 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:59:53,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 18:59:53,148 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 18:59:53,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:59:53,148 INFO L85 PathProgramCache]: Analyzing trace with hash -642144770, now seen corresponding path program 1 times [2025-03-17 18:59:53,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:59:53,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051114533] [2025-03-17 18:59:53,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:53,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:59:53,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:59:53,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:59:53,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:53,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 18:59:53,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:59:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051114533] [2025-03-17 18:59:53,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051114533] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:59:53,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168307605] [2025-03-17 18:59:53,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:59:53,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:59:53,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:59:53,464 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 18:59:53,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 18:59:53,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:59:54,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:59:54,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:59:54,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:59:54,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 18:59:54,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:59:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 18:59:54,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:59:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 18:59:54,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168307605] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:59:54,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:59:54,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2025-03-17 18:59:54,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641728863] [2025-03-17 18:59:54,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:59:54,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 18:59:54,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:59:54,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 18:59:54,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-17 18:59:54,313 INFO L87 Difference]: Start difference. First operand 496 states and 689 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 18:59:58,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:02,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:02,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:02,665 INFO L93 Difference]: Finished difference Result 995 states and 1387 transitions. [2025-03-17 19:00:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:00:02,665 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2025-03-17 19:00:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:02,667 INFO L225 Difference]: With dead ends: 995 [2025-03-17 19:00:02,667 INFO L226 Difference]: Without dead ends: 513 [2025-03-17 19:00:02,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:00:02,669 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 5 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3192 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:02,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3192 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 184 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2025-03-17 19:00:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-03-17 19:00:02,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2025-03-17 19:00:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 439 states have (on average 1.5079726651480638) internal successors, (662), 484 states have internal predecessors, (662), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 19:00:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 706 transitions. [2025-03-17 19:00:02,685 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 706 transitions. Word has length 29 [2025-03-17 19:00:02,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:02,685 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 706 transitions. [2025-03-17 19:00:02,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 19:00:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 706 transitions. [2025-03-17 19:00:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 19:00:02,686 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:02,686 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:00:02,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 19:00:02,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:00:02,887 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:02,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:02,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1115542530, now seen corresponding path program 1 times [2025-03-17 19:00:02,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:02,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758371302] [2025-03-17 19:00:02,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:02,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:03,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 19:00:03,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 19:00:03,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:03,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-17 19:00:03,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:03,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758371302] [2025-03-17 19:00:03,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758371302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:00:03,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:00:03,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:00:03,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836040695] [2025-03-17 19:00:03,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:00:03,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:00:03,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:03,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:00:03,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:03,200 INFO L87 Difference]: Start difference. First operand 513 states and 706 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:07,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:07,351 INFO L93 Difference]: Finished difference Result 525 states and 720 transitions. [2025-03-17 19:00:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:00:07,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2025-03-17 19:00:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:07,355 INFO L225 Difference]: With dead ends: 525 [2025-03-17 19:00:07,355 INFO L226 Difference]: Without dead ends: 523 [2025-03-17 19:00:07,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:07,357 INFO L435 NwaCegarLoop]: 643 mSDtfsCounter, 2 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:07,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1282 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 19:00:07,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-03-17 19:00:07,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 522. [2025-03-17 19:00:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 448 states have (on average 1.5044642857142858) internal successors, (674), 493 states have internal predecessors, (674), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 19:00:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 718 transitions. [2025-03-17 19:00:07,373 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 718 transitions. Word has length 47 [2025-03-17 19:00:07,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:07,373 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 718 transitions. [2025-03-17 19:00:07,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 718 transitions. [2025-03-17 19:00:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 19:00:07,374 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:07,374 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:00:07,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 19:00:07,374 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:07,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:07,375 INFO L85 PathProgramCache]: Analyzing trace with hash -222073855, now seen corresponding path program 1 times [2025-03-17 19:00:07,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:07,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98036711] [2025-03-17 19:00:07,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:07,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:07,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 19:00:07,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 19:00:07,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:07,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-17 19:00:07,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:07,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98036711] [2025-03-17 19:00:07,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98036711] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:00:07,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:00:07,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:00:07,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963801856] [2025-03-17 19:00:07,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:00:07,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:00:07,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:07,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:00:07,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:07,654 INFO L87 Difference]: Start difference. First operand 522 states and 718 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:11,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:11,768 INFO L93 Difference]: Finished difference Result 522 states and 718 transitions. [2025-03-17 19:00:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:00:11,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-03-17 19:00:11,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:11,771 INFO L225 Difference]: With dead ends: 522 [2025-03-17 19:00:11,771 INFO L226 Difference]: Without dead ends: 521 [2025-03-17 19:00:11,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:11,772 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 0 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:11,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1285 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 19:00:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2025-03-17 19:00:11,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 517. [2025-03-17 19:00:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 444 states have (on average 1.5045045045045045) internal successors, (668), 488 states have internal predecessors, (668), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 19:00:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 712 transitions. [2025-03-17 19:00:11,787 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 712 transitions. Word has length 48 [2025-03-17 19:00:11,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:11,787 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 712 transitions. [2025-03-17 19:00:11,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 712 transitions. [2025-03-17 19:00:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-17 19:00:11,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:11,788 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:00:11,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 19:00:11,788 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:11,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:11,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1594281315, now seen corresponding path program 1 times [2025-03-17 19:00:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:11,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881360105] [2025-03-17 19:00:11,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:11,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:11,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 19:00:11,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 19:00:11,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:11,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 19:00:12,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881360105] [2025-03-17 19:00:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881360105] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:00:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468116428] [2025-03-17 19:00:12,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:12,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:00:12,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:00:12,118 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:00:12,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 19:00:12,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 19:00:12,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 19:00:12,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:12,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:12,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 1696 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 19:00:12,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:00:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 19:00:12,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:00:12,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468116428] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:00:12,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:00:12,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 19:00:12,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789322603] [2025-03-17 19:00:12,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:00:12,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:00:12,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:12,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:00:12,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:00:12,832 INFO L87 Difference]: Start difference. First operand 517 states and 712 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:13,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:13,019 INFO L93 Difference]: Finished difference Result 809 states and 1146 transitions. [2025-03-17 19:00:13,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:00:13,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-03-17 19:00:13,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:13,023 INFO L225 Difference]: With dead ends: 809 [2025-03-17 19:00:13,023 INFO L226 Difference]: Without dead ends: 808 [2025-03-17 19:00:13,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:00:13,023 INFO L435 NwaCegarLoop]: 1042 mSDtfsCounter, 813 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:13,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 1680 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:00:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2025-03-17 19:00:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 516. [2025-03-17 19:00:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 444 states have (on average 1.5022522522522523) internal successors, (667), 487 states have internal predecessors, (667), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 19:00:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 711 transitions. [2025-03-17 19:00:13,036 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 711 transitions. Word has length 49 [2025-03-17 19:00:13,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:13,036 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 711 transitions. [2025-03-17 19:00:13,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 711 transitions. [2025-03-17 19:00:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 19:00:13,037 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:13,037 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:00:13,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 19:00:13,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-17 19:00:13,237 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:13,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:13,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2116885554, now seen corresponding path program 1 times [2025-03-17 19:00:13,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:13,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126602443] [2025-03-17 19:00:13,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:13,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:13,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 19:00:13,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 19:00:13,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:13,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 19:00:13,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:13,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126602443] [2025-03-17 19:00:13,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126602443] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:00:13,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693404853] [2025-03-17 19:00:13,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:13,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:00:13,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:00:13,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:00:13,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 19:00:14,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 19:00:14,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 19:00:14,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:14,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:14,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 1697 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 19:00:14,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:00:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 19:00:14,288 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:00:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 19:00:14,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693404853] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:00:14,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:00:14,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 19:00:14,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773156029] [2025-03-17 19:00:14,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:00:14,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:00:14,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:14,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:00:14,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:00:14,318 INFO L87 Difference]: Start difference. First operand 516 states and 711 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:14,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:14,635 INFO L93 Difference]: Finished difference Result 1681 states and 2441 transitions. [2025-03-17 19:00:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:00:14,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2025-03-17 19:00:14,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:14,641 INFO L225 Difference]: With dead ends: 1681 [2025-03-17 19:00:14,641 INFO L226 Difference]: Without dead ends: 1680 [2025-03-17 19:00:14,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:00:14,642 INFO L435 NwaCegarLoop]: 638 mSDtfsCounter, 3189 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:14,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 2484 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:00:14,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2025-03-17 19:00:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 528. [2025-03-17 19:00:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 456 states have (on average 1.4956140350877194) internal successors, (682), 499 states have internal predecessors, (682), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 19:00:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 726 transitions. [2025-03-17 19:00:14,659 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 726 transitions. Word has length 50 [2025-03-17 19:00:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:14,659 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 726 transitions. [2025-03-17 19:00:14,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 726 transitions. [2025-03-17 19:00:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 19:00:14,659 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:14,659 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:00:14,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 19:00:14,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:00:14,860 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:14,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:14,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1798807305, now seen corresponding path program 1 times [2025-03-17 19:00:14,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:14,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779724842] [2025-03-17 19:00:14,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:14,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:15,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 19:00:15,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 19:00:15,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:15,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-17 19:00:15,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:15,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779724842] [2025-03-17 19:00:15,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779724842] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:00:15,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606713763] [2025-03-17 19:00:15,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:15,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:00:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:00:15,190 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:00:15,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 19:00:15,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 19:00:15,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 19:00:15,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:15,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:15,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 19:00:15,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:00:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-17 19:00:15,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:00:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-17 19:00:16,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606713763] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:00:16,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:00:16,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-17 19:00:16,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080906120] [2025-03-17 19:00:16,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:00:16,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:00:16,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:16,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:00:16,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:00:16,014 INFO L87 Difference]: Start difference. First operand 528 states and 726 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:20,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:24,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:28,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:32,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:36,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:36,235 INFO L93 Difference]: Finished difference Result 1032 states and 1430 transitions. [2025-03-17 19:00:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:00:36,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-03-17 19:00:36,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:36,237 INFO L225 Difference]: With dead ends: 1032 [2025-03-17 19:00:36,237 INFO L226 Difference]: Without dead ends: 546 [2025-03-17 19:00:36,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:00:36,238 INFO L435 NwaCegarLoop]: 643 mSDtfsCounter, 4 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:36,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1283 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2025-03-17 19:00:36,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2025-03-17 19:00:36,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2025-03-17 19:00:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 474 states have (on average 1.4767932489451476) internal successors, (700), 517 states have internal predecessors, (700), 27 states have call successors, (27), 13 states have call predecessors, (27), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 19:00:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 744 transitions. [2025-03-17 19:00:36,254 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 744 transitions. Word has length 54 [2025-03-17 19:00:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:36,254 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 744 transitions. [2025-03-17 19:00:36,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 744 transitions. [2025-03-17 19:00:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 19:00:36,256 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:36,256 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 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] [2025-03-17 19:00:36,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 19:00:36,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:00:36,457 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:36,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:36,458 INFO L85 PathProgramCache]: Analyzing trace with hash -562400125, now seen corresponding path program 1 times [2025-03-17 19:00:36,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:36,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341091630] [2025-03-17 19:00:36,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:36,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:36,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 19:00:36,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 19:00:36,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:36,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 19:00:36,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:36,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341091630] [2025-03-17 19:00:36,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341091630] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:00:36,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:00:36,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:00:36,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424392358] [2025-03-17 19:00:36,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:00:36,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:00:36,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:36,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:00:36,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:36,764 INFO L87 Difference]: Start difference. First operand 546 states and 744 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 19:00:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:36,984 INFO L93 Difference]: Finished difference Result 1084 states and 1511 transitions. [2025-03-17 19:00:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:00:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2025-03-17 19:00:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:36,988 INFO L225 Difference]: With dead ends: 1084 [2025-03-17 19:00:36,988 INFO L226 Difference]: Without dead ends: 641 [2025-03-17 19:00:36,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:36,989 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 119 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:36,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1232 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:00:36,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2025-03-17 19:00:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 588. [2025-03-17 19:00:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 515 states have (on average 1.4679611650485438) internal successors, (756), 558 states have internal predecessors, (756), 28 states have call successors, (28), 13 states have call predecessors, (28), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 19:00:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 802 transitions. [2025-03-17 19:00:37,004 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 802 transitions. Word has length 59 [2025-03-17 19:00:37,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:37,004 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 802 transitions. [2025-03-17 19:00:37,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 19:00:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 802 transitions. [2025-03-17 19:00:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 19:00:37,005 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:37,005 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 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] [2025-03-17 19:00:37,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 19:00:37,006 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:37,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:37,006 INFO L85 PathProgramCache]: Analyzing trace with hash 699397857, now seen corresponding path program 1 times [2025-03-17 19:00:37,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:37,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911825131] [2025-03-17 19:00:37,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:00:37,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:37,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 19:00:37,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 19:00:37,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:00:37,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 19:00:37,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:37,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911825131] [2025-03-17 19:00:37,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911825131] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:00:37,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:00:37,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:00:37,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288558026] [2025-03-17 19:00:37,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:00:37,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:00:37,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:37,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:00:37,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:37,315 INFO L87 Difference]: Start difference. First operand 588 states and 802 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:00:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:37,417 INFO L93 Difference]: Finished difference Result 590 states and 802 transitions. [2025-03-17 19:00:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:00:37,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 61 [2025-03-17 19:00:37,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:37,419 INFO L225 Difference]: With dead ends: 590 [2025-03-17 19:00:37,420 INFO L226 Difference]: Without dead ends: 588 [2025-03-17 19:00:37,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:00:37,421 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 1 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:37,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1283 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:00:37,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-17 19:00:37,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2025-03-17 19:00:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 515 states have (on average 1.4640776699029125) internal successors, (754), 558 states have internal predecessors, (754), 28 states have call successors, (28), 13 states have call predecessors, (28), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 19:00:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 800 transitions. [2025-03-17 19:00:37,435 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 800 transitions. Word has length 61 [2025-03-17 19:00:37,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:37,435 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 800 transitions. [2025-03-17 19:00:37,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:00:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 800 transitions. [2025-03-17 19:00:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-17 19:00:37,436 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:37,436 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:00:37,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 19:00:37,436 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:37,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1582643710, now seen corresponding path program 2 times [2025-03-17 19:00:37,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:37,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805511410] [2025-03-17 19:00:37,437 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:00:37,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:37,593 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-03-17 19:00:37,667 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 62 statements. [2025-03-17 19:00:37,667 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:00:37,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-03-17 19:00:37,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:37,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805511410] [2025-03-17 19:00:37,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805511410] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:00:37,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:00:37,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:00:37,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968650059] [2025-03-17 19:00:37,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:00:37,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:00:37,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:00:37,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:00:37,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:00:37,899 INFO L87 Difference]: Start difference. First operand 588 states and 800 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:41,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:45,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 19:00:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:00:46,286 INFO L93 Difference]: Finished difference Result 1105 states and 1523 transitions. [2025-03-17 19:00:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:00:46,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2025-03-17 19:00:46,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:00:46,288 INFO L225 Difference]: With dead ends: 1105 [2025-03-17 19:00:46,288 INFO L226 Difference]: Without dead ends: 588 [2025-03-17 19:00:46,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:00:46,290 INFO L435 NwaCegarLoop]: 632 mSDtfsCounter, 567 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 2501 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:00:46,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 2501 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2025-03-17 19:00:46,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-17 19:00:46,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2025-03-17 19:00:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 515 states have (on average 1.4621359223300971) internal successors, (753), 558 states have internal predecessors, (753), 28 states have call successors, (28), 13 states have call predecessors, (28), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 19:00:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 799 transitions. [2025-03-17 19:00:46,302 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 799 transitions. Word has length 62 [2025-03-17 19:00:46,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:00:46,302 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 799 transitions. [2025-03-17 19:00:46,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:00:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 799 transitions. [2025-03-17 19:00:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-17 19:00:46,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:00:46,303 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:00:46,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 19:00:46,303 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 75 more)] === [2025-03-17 19:00:46,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:00:46,303 INFO L85 PathProgramCache]: Analyzing trace with hash 638622567, now seen corresponding path program 2 times [2025-03-17 19:00:46,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:00:46,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229447267] [2025-03-17 19:00:46,303 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:00:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:00:46,450 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-03-17 19:00:46,568 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 19:00:46,569 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:00:46,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:00:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-03-17 19:00:46,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:00:46,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229447267] [2025-03-17 19:00:46,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229447267] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:00:46,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994879682] [2025-03-17 19:00:46,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:00:46,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:00:46,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:00:46,808 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:00:46,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 19:00:47,431 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes.