./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/cut-3.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/cut-3.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 988c48e0cee8e5e54cb1544816ff7acc83725ead86fe141afedc636fed402c33 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 18:54:12,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 18:54:12,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 18:54:12,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 18:54:12,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 18:54:12,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 18:54:12,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 18:54:12,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 18:54:12,851 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 18:54:12,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 18:54:12,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 18:54:12,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 18:54:12,852 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 18:54:12,853 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:54:12,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 18:54:12,853 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 18:54:12,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 18:54:12,854 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 -> 988c48e0cee8e5e54cb1544816ff7acc83725ead86fe141afedc636fed402c33 [2025-03-17 18:54:13,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 18:54:13,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 18:54:13,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 18:54:13,274 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 18:54:13,275 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 18:54:13,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/cut-3.i [2025-03-17 18:54:14,468 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa741797/d715971ca06f4586bccdd78a6fc8c09e/FLAGe3353918b [2025-03-17 18:54:14,886 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 18:54:14,887 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/cut-3.i [2025-03-17 18:54:14,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa741797/d715971ca06f4586bccdd78a6fc8c09e/FLAGe3353918b [2025-03-17 18:54:14,935 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa741797/d715971ca06f4586bccdd78a6fc8c09e [2025-03-17 18:54:14,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 18:54:14,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 18:54:14,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 18:54:14,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 18:54:14,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 18:54:14,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:54:14" (1/1) ... [2025-03-17 18:54:14,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b29324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:14, skipping insertion in model container [2025-03-17 18:54:14,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:54:14" (1/1) ... [2025-03-17 18:54:14,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 18:54:15,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:54:15,913 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 18:54:16,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:54:16,188 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-17 18:54:16,193 INFO L204 MainTranslator]: Completed translation [2025-03-17 18:54:16,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16 WrapperNode [2025-03-17 18:54:16,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 18:54:16,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 18:54:16,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 18:54:16,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 18:54:16,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,311 INFO L138 Inliner]: procedures = 581, calls = 896, calls flagged for inlining = 30, calls inlined = 28, statements flattened = 2423 [2025-03-17 18:54:16,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 18:54:16,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 18:54:16,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 18:54:16,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 18:54:16,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,332 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,422 INFO L175 MemorySlicer]: Split 737 memory accesses to 22 slices as follows [2, 3, 6, 20, 3, 125, 3, 15, 30, 44, 8, 2, 10, 18, 3, 17, 17, 6, 41, 7, 355, 2]. 48 percent of accesses are in the largest equivalence class. The 383 initializations are split as follows [2, 0, 0, 4, 3, 6, 0, 0, 2, 0, 0, 2, 1, 0, 0, 0, 4, 4, 0, 0, 355, 0]. The 176 writes are split as follows [0, 0, 2, 15, 0, 69, 0, 1, 20, 12, 8, 0, 5, 4, 0, 17, 4, 2, 12, 4, 0, 1]. [2025-03-17 18:54:16,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 18:54:16,573 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 18:54:16,574 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 18:54:16,574 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 18:54:16,575 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (1/1) ... [2025-03-17 18:54:16,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:54:16,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:16,601 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 18:54:16,603 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 18:54:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2025-03-17 18:54:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2025-03-17 18:54:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2025-03-17 18:54:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2025-03-17 18:54:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2025-03-17 18:54:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2025-03-17 18:54:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2025-03-17 18:54:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2025-03-17 18:54:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2025-03-17 18:54:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2025-03-17 18:54:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2025-03-17 18:54:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2025-03-17 18:54:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2025-03-17 18:54:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2025-03-17 18:54:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2025-03-17 18:54:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2025-03-17 18:54:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2025-03-17 18:54:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2025-03-17 18:54:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2025-03-17 18:54:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2025-03-17 18:54:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2025-03-17 18:54:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2025-03-17 18:54:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure xatoi_positive [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoi_positive [2025-03-17 18:54:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2025-03-17 18:54:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 18:54:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2025-03-17 18:54:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2025-03-17 18:54:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-17 18:54:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 18:54:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 18:54:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 18:54:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 18:54:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 18:54:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2025-03-17 18:54:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2025-03-17 18:54:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2025-03-17 18:54:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2025-03-17 18:54:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-03-17 18:54:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 18:54:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-17 18:54:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2025-03-17 18:54:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 18:54:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-17 18:54:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-17 18:54:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-17 18:54:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 18:54:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 18:54:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 18:54:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 18:54:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-17 18:54:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 18:54:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 18:54:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 18:54:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 18:54:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 18:54:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 18:54:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 18:54:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-17 18:54:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-17 18:54:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-17 18:54:17,191 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 18:54:17,193 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 18:54:17,253 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3328: havoc #t~nondet311.base, #t~nondet311.offset; [2025-03-17 18:54:23,009 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3374: havoc getopt_long_#t~ret339#1; [2025-03-17 18:54:23,010 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3212: call ULTIMATE.dealloc(xmalloc_fgetline_~#i~1#1.base, xmalloc_fgetline_~#i~1#1.offset);havoc xmalloc_fgetline_~#i~1#1.base, xmalloc_fgetline_~#i~1#1.offset; [2025-03-17 18:54:23,010 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2688: havoc fclose_if_not_stdin_#t~bitwise150#1; [2025-03-17 18:54:23,010 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2757: 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 18:54:23,010 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3319: havoc _IO_getc_#t~nondet309#1; [2025-03-17 18:54:23,010 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2573: call ULTIMATE.dealloc(__main_~#sopt~0#1.base, __main_~#sopt~0#1.offset);havoc __main_~#sopt~0#1.base, __main_~#sopt~0#1.offset;call ULTIMATE.dealloc(__main_~#ltok~0#1.base, __main_~#ltok~0#1.offset);havoc __main_~#ltok~0#1.base, __main_~#ltok~0#1.offset; [2025-03-17 18:54:23,233 INFO L? ?]: Removed 888 outVars from TransFormulas that were not future-live. [2025-03-17 18:54:23,234 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 18:54:23,273 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 18:54:23,273 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 18:54:23,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:54:23 BoogieIcfgContainer [2025-03-17 18:54:23,274 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 18:54:23,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 18:54:23,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 18:54:23,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 18:54:23,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:54:14" (1/3) ... [2025-03-17 18:54:23,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19950dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:54:23, skipping insertion in model container [2025-03-17 18:54:23,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:16" (2/3) ... [2025-03-17 18:54:23,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19950dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:54:23, skipping insertion in model container [2025-03-17 18:54:23,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:54:23" (3/3) ... [2025-03-17 18:54:23,280 INFO L128 eAbstractionObserver]: Analyzing ICFG cut-3.i [2025-03-17 18:54:23,290 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 18:54:23,293 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cut-3.i that has 75 procedures, 922 locations, 1 initial locations, 82 loop locations, and 91 error locations. [2025-03-17 18:54:23,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 18:54:23,357 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;@5caf5901, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 18:54:23,358 INFO L334 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2025-03-17 18:54:23,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 686 states, 542 states have (on average 1.6863468634686347) internal successors, (914), 639 states have internal predecessors, (914), 38 states have call successors, (38), 15 states have call predecessors, (38), 15 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-17 18:54:23,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 18:54:23,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:23,366 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 18:54:23,366 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:23,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1450741, now seen corresponding path program 1 times [2025-03-17 18:54:23,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:23,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976880934] [2025-03-17 18:54:23,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:24,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 18:54:24,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 18:54:24,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:24,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:24,913 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 18:54:24,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:24,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976880934] [2025-03-17 18:54:24,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976880934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:24,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:24,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 18:54:24,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453123765] [2025-03-17 18:54:24,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:24,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:24,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:24,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:24,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:24,946 INFO L87 Difference]: Start difference. First operand has 686 states, 542 states have (on average 1.6863468634686347) internal successors, (914), 639 states have internal predecessors, (914), 38 states have call successors, (38), 15 states have call predecessors, (38), 15 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) 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 18:54:25,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:25,367 INFO L93 Difference]: Finished difference Result 1273 states and 1873 transitions. [2025-03-17 18:54:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:25,372 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 18:54:25,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:25,379 INFO L225 Difference]: With dead ends: 1273 [2025-03-17 18:54:25,379 INFO L226 Difference]: Without dead ends: 590 [2025-03-17 18:54:25,384 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 18:54:25,386 INFO L435 NwaCegarLoop]: 788 mSDtfsCounter, 1 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:25,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1572 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 18:54:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2025-03-17 18:54:25,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2025-03-17 18:54:25,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 477 states have (on average 1.6037735849056605) internal successors, (765), 554 states have internal predecessors, (765), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 820 transitions. [2025-03-17 18:54:25,448 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 820 transitions. Word has length 3 [2025-03-17 18:54:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:25,449 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 820 transitions. [2025-03-17 18:54:25,449 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 18:54:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 820 transitions. [2025-03-17 18:54:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 18:54:25,450 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:25,450 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2025-03-17 18:54:25,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 18:54:25,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:25,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:25,451 INFO L85 PathProgramCache]: Analyzing trace with hash 270738525, now seen corresponding path program 1 times [2025-03-17 18:54:25,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:25,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893948509] [2025-03-17 18:54:25,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:25,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:26,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:54:26,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:54:26,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:26,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:26,611 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 18:54:26,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:26,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893948509] [2025-03-17 18:54:26,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893948509] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:26,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524712402] [2025-03-17 18:54:26,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:26,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:26,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:26,615 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 18:54:26,616 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 18:54:27,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:54:27,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:54:27,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:27,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:27,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:54:27,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:27,849 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 18:54:27,849 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:54:27,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524712402] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:27,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:54:27,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2025-03-17 18:54:27,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148258026] [2025-03-17 18:54:27,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:27,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:54:27,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:27,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:54:27,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:27,851 INFO L87 Difference]: Start difference. First operand 590 states and 820 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 18:54:31,880 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 18:54:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:32,346 INFO L93 Difference]: Finished difference Result 590 states and 820 transitions. [2025-03-17 18:54:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:54:32,346 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 18:54:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:32,348 INFO L225 Difference]: With dead ends: 590 [2025-03-17 18:54:32,348 INFO L226 Difference]: Without dead ends: 589 [2025-03-17 18:54:32,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:32,349 INFO L435 NwaCegarLoop]: 784 mSDtfsCounter, 1 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:32,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1567 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-17 18:54:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2025-03-17 18:54:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2025-03-17 18:54:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 477 states have (on average 1.60167714884696) internal successors, (764), 553 states have internal predecessors, (764), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 819 transitions. [2025-03-17 18:54:32,371 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 819 transitions. Word has length 6 [2025-03-17 18:54:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:32,371 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 819 transitions. [2025-03-17 18:54:32,371 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 18:54:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 819 transitions. [2025-03-17 18:54:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 18:54:32,373 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:32,373 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2025-03-17 18:54:32,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 18:54:32,573 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 18:54:32,573 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:32,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash -197038921, now seen corresponding path program 1 times [2025-03-17 18:54:32,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:32,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71657526] [2025-03-17 18:54:32,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:32,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:33,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 18:54:33,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 18:54:33,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:33,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:33,498 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 18:54:33,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:33,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71657526] [2025-03-17 18:54:33,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71657526] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:33,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:33,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:54:33,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350910899] [2025-03-17 18:54:33,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:33,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:33,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:33,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:33,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:33,499 INFO L87 Difference]: Start difference. First operand 589 states and 819 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 18:54:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:33,886 INFO L93 Difference]: Finished difference Result 589 states and 819 transitions. [2025-03-17 18:54:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:33,886 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 18:54:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:33,888 INFO L225 Difference]: With dead ends: 589 [2025-03-17 18:54:33,889 INFO L226 Difference]: Without dead ends: 588 [2025-03-17 18:54:33,889 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 18:54:33,889 INFO L435 NwaCegarLoop]: 785 mSDtfsCounter, 0 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:33,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1568 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 18:54:33,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-17 18:54:33,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 586. [2025-03-17 18:54:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 475 states have (on average 1.6021052631578947) internal successors, (761), 550 states have internal predecessors, (761), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:33,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 816 transitions. [2025-03-17 18:54:33,901 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 816 transitions. Word has length 7 [2025-03-17 18:54:33,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:33,901 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 816 transitions. [2025-03-17 18:54:33,901 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 18:54:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 816 transitions. [2025-03-17 18:54:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 18:54:33,901 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:33,901 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:33,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 18:54:33,902 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:33,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash 461141891, now seen corresponding path program 1 times [2025-03-17 18:54:33,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:33,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630989603] [2025-03-17 18:54:33,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:34,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:54:34,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:54:34,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:34,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:34,801 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 18:54:34,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:34,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630989603] [2025-03-17 18:54:34,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630989603] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:34,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687724916] [2025-03-17 18:54:34,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:34,804 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 18:54:34,805 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 18:54:35,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:54:36,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:54:36,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:36,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:36,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 1959 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 18:54:36,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:36,093 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 18:54:36,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:54:36,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687724916] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:36,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:54:36,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 18:54:36,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621517274] [2025-03-17 18:54:36,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:36,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:36,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:36,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:36,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:36,095 INFO L87 Difference]: Start difference. First operand 586 states and 816 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 18:54:40,130 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 18:54:40,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:40,413 INFO L93 Difference]: Finished difference Result 586 states and 816 transitions. [2025-03-17 18:54:40,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:40,414 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 18:54:40,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:40,416 INFO L225 Difference]: With dead ends: 586 [2025-03-17 18:54:40,416 INFO L226 Difference]: Without dead ends: 584 [2025-03-17 18:54:40,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:40,416 INFO L435 NwaCegarLoop]: 778 mSDtfsCounter, 657 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:40,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 911 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-17 18:54:40,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-03-17 18:54:40,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2025-03-17 18:54:40,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 475 states have (on average 1.5978947368421053) internal successors, (759), 548 states have internal predecessors, (759), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 814 transitions. [2025-03-17 18:54:40,433 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 814 transitions. Word has length 11 [2025-03-17 18:54:40,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:40,434 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 814 transitions. [2025-03-17 18:54:40,434 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 18:54:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 814 transitions. [2025-03-17 18:54:40,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 18:54:40,434 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:40,434 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:40,444 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 18:54:40,635 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 18:54:40,635 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:40,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1410498123, now seen corresponding path program 1 times [2025-03-17 18:54:40,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:40,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80825467] [2025-03-17 18:54:40,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:41,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:54:41,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:54:41,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:41,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:41,580 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 18:54:41,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:41,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80825467] [2025-03-17 18:54:41,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80825467] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:41,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995733688] [2025-03-17 18:54:41,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:41,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:41,582 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 18:54:41,584 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 18:54:42,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:54:42,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:54:42,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:42,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:42,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 1960 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:54:42,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:42,831 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 18:54:42,832 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:54:43,012 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 18:54:43,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995733688] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:54:43,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:54:43,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2025-03-17 18:54:43,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627388347] [2025-03-17 18:54:43,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:54:43,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:54:43,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:43,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:54:43,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:54:43,013 INFO L87 Difference]: Start difference. First operand 584 states and 814 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 18:54:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:43,791 INFO L93 Difference]: Finished difference Result 1172 states and 1634 transitions. [2025-03-17 18:54:43,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:54:43,792 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 18:54:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:43,794 INFO L225 Difference]: With dead ends: 1172 [2025-03-17 18:54:43,794 INFO L226 Difference]: Without dead ends: 593 [2025-03-17 18:54:43,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:54:43,796 INFO L435 NwaCegarLoop]: 783 mSDtfsCounter, 4 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:43,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3126 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 18:54:43,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2025-03-17 18:54:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2025-03-17 18:54:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 484 states have (on average 1.5867768595041323) internal successors, (768), 557 states have internal predecessors, (768), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 823 transitions. [2025-03-17 18:54:43,807 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 823 transitions. Word has length 12 [2025-03-17 18:54:43,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:43,807 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 823 transitions. [2025-03-17 18:54:43,807 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 18:54:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 823 transitions. [2025-03-17 18:54:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 18:54:43,808 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:43,808 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:43,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 18:54:44,008 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 18:54:44,009 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:44,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:44,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1070745373, now seen corresponding path program 2 times [2025-03-17 18:54:44,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:44,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711027314] [2025-03-17 18:54:44,009 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 18:54:44,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:44,598 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-17 18:54:44,640 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 21 statements. [2025-03-17 18:54:44,640 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 18:54:44,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:45,078 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 18:54:45,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:45,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711027314] [2025-03-17 18:54:45,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711027314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:45,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:45,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 18:54:45,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956900561] [2025-03-17 18:54:45,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:45,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 18:54:45,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:45,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 18:54:45,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:45,080 INFO L87 Difference]: Start difference. First operand 593 states and 823 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 18:54:49,107 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 18:54:50,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:50,041 INFO L93 Difference]: Finished difference Result 593 states and 823 transitions. [2025-03-17 18:54:50,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 18:54:50,041 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 18:54:50,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:50,043 INFO L225 Difference]: With dead ends: 593 [2025-03-17 18:54:50,043 INFO L226 Difference]: Without dead ends: 591 [2025-03-17 18:54:50,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:50,044 INFO L435 NwaCegarLoop]: 775 mSDtfsCounter, 656 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:50,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2450 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-17 18:54:50,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2025-03-17 18:54:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2025-03-17 18:54:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 484 states have (on average 1.5826446280991735) internal successors, (766), 555 states have internal predecessors, (766), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 821 transitions. [2025-03-17 18:54:50,058 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 821 transitions. Word has length 21 [2025-03-17 18:54:50,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:50,058 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 821 transitions. [2025-03-17 18:54:50,058 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 18:54:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 821 transitions. [2025-03-17 18:54:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 18:54:50,058 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:50,058 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 18:54:50,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 18:54:50,059 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:50,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:50,059 INFO L85 PathProgramCache]: Analyzing trace with hash 569627206, now seen corresponding path program 1 times [2025-03-17 18:54:50,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:50,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435758044] [2025-03-17 18:54:50,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:50,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 18:54:50,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 18:54:50,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:50,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:50,892 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 18:54:50,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:50,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435758044] [2025-03-17 18:54:50,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435758044] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:50,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:50,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:54:50,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939006176] [2025-03-17 18:54:50,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:50,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:50,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:50,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:50,894 INFO L87 Difference]: Start difference. First operand 591 states and 821 transitions. Second operand has 3 states, 3 states have (on average 5.0) 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 18:54:54,933 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 18:54:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:55,472 INFO L93 Difference]: Finished difference Result 1166 states and 1627 transitions. [2025-03-17 18:54:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:55,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) 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 18:54:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:55,475 INFO L225 Difference]: With dead ends: 1166 [2025-03-17 18:54:55,476 INFO L226 Difference]: Without dead ends: 594 [2025-03-17 18:54:55,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:55,477 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 2 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:55,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1557 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-17 18:54:55,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2025-03-17 18:54:55,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2025-03-17 18:54:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 487 states have (on average 1.5790554414784395) internal successors, (769), 558 states have internal predecessors, (769), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 824 transitions. [2025-03-17 18:54:55,490 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 824 transitions. Word has length 26 [2025-03-17 18:54:55,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:55,490 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 824 transitions. [2025-03-17 18:54:55,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) 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 18:54:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 824 transitions. [2025-03-17 18:54:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 18:54:55,491 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:55,491 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 18:54:55,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 18:54:55,491 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:55,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:55,491 INFO L85 PathProgramCache]: Analyzing trace with hash 478240925, now seen corresponding path program 1 times [2025-03-17 18:54:55,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:55,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426410150] [2025-03-17 18:54:55,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:55,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:56,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 18:54:56,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 18:54:56,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:56,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:56,405 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 18:54:56,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:56,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426410150] [2025-03-17 18:54:56,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426410150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:56,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:56,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:54:56,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949220868] [2025-03-17 18:54:56,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:56,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:56,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:56,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:56,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:56,408 INFO L87 Difference]: Start difference. First operand 594 states and 824 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 18:54:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:56,997 INFO L93 Difference]: Finished difference Result 859 states and 1216 transitions. [2025-03-17 18:54:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:56,998 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 18:54:56,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:57,004 INFO L225 Difference]: With dead ends: 859 [2025-03-17 18:54:57,004 INFO L226 Difference]: Without dead ends: 857 [2025-03-17 18:54:57,004 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 18:54:57,005 INFO L435 NwaCegarLoop]: 778 mSDtfsCounter, 368 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:57,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1546 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 18:54:57,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2025-03-17 18:54:57,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 598. [2025-03-17 18:54:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 491 states have (on average 1.5763747454175152) internal successors, (774), 562 states have internal predecessors, (774), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:54:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 829 transitions. [2025-03-17 18:54:57,022 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 829 transitions. Word has length 27 [2025-03-17 18:54:57,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:57,022 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 829 transitions. [2025-03-17 18:54:57,022 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 18:54:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 829 transitions. [2025-03-17 18:54:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 18:54:57,023 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:57,023 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:57,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 18:54:57,023 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:54:57,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:57,023 INFO L85 PathProgramCache]: Analyzing trace with hash 354444316, now seen corresponding path program 1 times [2025-03-17 18:54:57,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:57,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411387556] [2025-03-17 18:54:57,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:57,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:57,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:54:57,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:54:57,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:57,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 18:54:57,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:57,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411387556] [2025-03-17 18:54:57,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411387556] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:57,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432141294] [2025-03-17 18:54:57,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:57,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:57,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:57,930 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 18:54:57,931 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 18:54:58,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:54:59,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:54:59,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:59,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:59,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 18:54:59,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-17 18:54:59,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:54:59,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432141294] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:59,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:54:59,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 18:54:59,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417402088] [2025-03-17 18:54:59,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:59,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:59,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:59,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:59,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:59,295 INFO L87 Difference]: Start difference. First operand 598 states and 829 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 18:55:03,323 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 18:55:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:55:03,869 INFO L93 Difference]: Finished difference Result 598 states and 829 transitions. [2025-03-17 18:55:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:55:03,870 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 29 [2025-03-17 18:55:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:55:03,872 INFO L225 Difference]: With dead ends: 598 [2025-03-17 18:55:03,872 INFO L226 Difference]: Without dead ends: 597 [2025-03-17 18:55:03,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:55:03,872 INFO L435 NwaCegarLoop]: 777 mSDtfsCounter, 3 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-17 18:55:03,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1547 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-17 18:55:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-03-17 18:55:03,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2025-03-17 18:55:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 491 states have (on average 1.5743380855397149) internal successors, (773), 561 states have internal predecessors, (773), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:55:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 828 transitions. [2025-03-17 18:55:03,886 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 828 transitions. Word has length 29 [2025-03-17 18:55:03,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:55:03,887 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 828 transitions. [2025-03-17 18:55:03,887 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 18:55:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 828 transitions. [2025-03-17 18:55:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 18:55:03,887 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:55:03,887 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 18:55:03,900 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 18:55:04,088 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 18:55:04,088 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:55:04,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:55:04,088 INFO L85 PathProgramCache]: Analyzing trace with hash 354444476, now seen corresponding path program 1 times [2025-03-17 18:55:04,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:55:04,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843775141] [2025-03-17 18:55:04,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:04,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:55:04,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:55:04,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:55:04,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:04,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:04,939 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 18:55:04,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:55:04,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843775141] [2025-03-17 18:55:04,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843775141] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:55:04,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426235190] [2025-03-17 18:55:04,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:55:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:55:04,943 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 18:55:04,943 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 18:55:06,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:55:06,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:55:06,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:06,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:06,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 2149 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 18:55:06,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:55:06,746 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 18:55:06,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:55:07,593 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 18:55:07,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426235190] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:55:07,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:55:07,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2025-03-17 18:55:07,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053516922] [2025-03-17 18:55:07,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:55:07,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 18:55:07,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:55:07,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 18:55:07,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-17 18:55:07,594 INFO L87 Difference]: Start difference. First operand 597 states and 828 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 18:55:11,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:55:15,664 WARN L539 Checker$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 18:55:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:55:17,109 INFO L93 Difference]: Finished difference Result 1197 states and 1665 transitions. [2025-03-17 18:55:17,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 18:55:17,109 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 18:55:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:55:17,111 INFO L225 Difference]: With dead ends: 1197 [2025-03-17 18:55:17,111 INFO L226 Difference]: Without dead ends: 614 [2025-03-17 18:55:17,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-17 18:55:17,113 INFO L435 NwaCegarLoop]: 774 mSDtfsCounter, 5 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2025-03-17 18:55:17,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3862 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2025-03-17 18:55:17,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2025-03-17 18:55:17,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2025-03-17 18:55:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 509 states have (on average 1.5520628683693516) internal successors, (790), 578 states have internal predecessors, (790), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:55:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 845 transitions. [2025-03-17 18:55:17,126 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 845 transitions. Word has length 29 [2025-03-17 18:55:17,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:55:17,126 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 845 transitions. [2025-03-17 18:55:17,126 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 18:55:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 845 transitions. [2025-03-17 18:55:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 18:55:17,128 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:55:17,128 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] [2025-03-17 18:55:17,141 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 18:55:17,333 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,SelfDestructingSolverStorable9 [2025-03-17 18:55:17,333 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:55:17,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:55:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash 878956483, now seen corresponding path program 1 times [2025-03-17 18:55:17,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:55:17,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737219693] [2025-03-17 18:55:17,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:17,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:55:17,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 18:55:17,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 18:55:17,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:17,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:18,162 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 18:55:18,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:55:18,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737219693] [2025-03-17 18:55:18,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737219693] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:55:18,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:55:18,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:55:18,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884836627] [2025-03-17 18:55:18,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:55:18,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:55:18,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:55:18,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:55:18,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:55:18,163 INFO L87 Difference]: Start difference. First operand 614 states and 845 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 18:55:22,192 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 18:55:22,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:55:22,750 INFO L93 Difference]: Finished difference Result 625 states and 858 transitions. [2025-03-17 18:55:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:55:22,753 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 18:55:22,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:55:22,755 INFO L225 Difference]: With dead ends: 625 [2025-03-17 18:55:22,755 INFO L226 Difference]: Without dead ends: 624 [2025-03-17 18:55:22,755 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 18:55:22,756 INFO L435 NwaCegarLoop]: 777 mSDtfsCounter, 1 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-17 18:55:22,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1551 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-17 18:55:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2025-03-17 18:55:22,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 623. [2025-03-17 18:55:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 518 states have (on average 1.5482625482625483) internal successors, (802), 587 states have internal predecessors, (802), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:55:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 857 transitions. [2025-03-17 18:55:22,769 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 857 transitions. Word has length 48 [2025-03-17 18:55:22,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:55:22,770 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 857 transitions. [2025-03-17 18:55:22,770 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 18:55:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 857 transitions. [2025-03-17 18:55:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 18:55:22,771 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:55:22,771 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 18:55:22,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 18:55:22,771 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:55:22,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:55:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash 878961448, now seen corresponding path program 1 times [2025-03-17 18:55:22,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:55:22,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354819691] [2025-03-17 18:55:22,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:22,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:55:23,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 18:55:23,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 18:55:23,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:23,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:23,633 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 18:55:23,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:55:23,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354819691] [2025-03-17 18:55:23,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354819691] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:55:23,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:55:23,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:55:23,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277873143] [2025-03-17 18:55:23,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:55:23,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:55:23,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:55:23,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:55:23,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:55:23,634 INFO L87 Difference]: Start difference. First operand 623 states and 857 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 18:55:27,663 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 18:55:28,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:55:28,124 INFO L93 Difference]: Finished difference Result 623 states and 857 transitions. [2025-03-17 18:55:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:55:28,125 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 18:55:28,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:55:28,127 INFO L225 Difference]: With dead ends: 623 [2025-03-17 18:55:28,127 INFO L226 Difference]: Without dead ends: 622 [2025-03-17 18:55:28,127 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 18:55:28,128 INFO L435 NwaCegarLoop]: 778 mSDtfsCounter, 0 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-17 18:55:28,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1553 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-17 18:55:28,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2025-03-17 18:55:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 618. [2025-03-17 18:55:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 514 states have (on average 1.54863813229572) internal successors, (796), 582 states have internal predecessors, (796), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:55:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 851 transitions. [2025-03-17 18:55:28,142 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 851 transitions. Word has length 48 [2025-03-17 18:55:28,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:55:28,143 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 851 transitions. [2025-03-17 18:55:28,143 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 18:55:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 851 transitions. [2025-03-17 18:55:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-17 18:55:28,143 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:55:28,143 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 18:55:28,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 18:55:28,143 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:55:28,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:55:28,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1366637473, now seen corresponding path program 1 times [2025-03-17 18:55:28,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:55:28,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873248319] [2025-03-17 18:55:28,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:28,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:55:28,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 18:55:28,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 18:55:28,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:28,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:29,006 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 18:55:29,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:55:29,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873248319] [2025-03-17 18:55:29,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873248319] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:55:29,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599010969] [2025-03-17 18:55:29,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:29,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:55:29,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:55:29,008 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 18:55:29,010 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 18:55:30,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 18:55:30,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 18:55:30,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:30,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:30,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 2333 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:55:30,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:55:30,514 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 18:55:30,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:55:30,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599010969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:55:30,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:55:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 18:55:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306535836] [2025-03-17 18:55:30,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:55:30,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:55:30,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:55:30,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:55:30,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:55:30,515 INFO L87 Difference]: Start difference. First operand 618 states and 851 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 18:55:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:55:31,354 INFO L93 Difference]: Finished difference Result 880 states and 1240 transitions. [2025-03-17 18:55:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:55:31,355 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 18:55:31,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:55:31,357 INFO L225 Difference]: With dead ends: 880 [2025-03-17 18:55:31,357 INFO L226 Difference]: Without dead ends: 879 [2025-03-17 18:55:31,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:55:31,358 INFO L435 NwaCegarLoop]: 1133 mSDtfsCounter, 735 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 18:55:31,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1902 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 18:55:31,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2025-03-17 18:55:31,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 617. [2025-03-17 18:55:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 514 states have (on average 1.546692607003891) internal successors, (795), 581 states have internal predecessors, (795), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:55:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 850 transitions. [2025-03-17 18:55:31,369 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 850 transitions. Word has length 49 [2025-03-17 18:55:31,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:55:31,369 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 850 transitions. [2025-03-17 18:55:31,369 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 18:55:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 850 transitions. [2025-03-17 18:55:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 18:55:31,370 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:55:31,370 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 18:55:31,382 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 18:55:31,570 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 18:55:31,571 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:55:31,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:55:31,571 INFO L85 PathProgramCache]: Analyzing trace with hash -583909931, now seen corresponding path program 1 times [2025-03-17 18:55:31,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:55:31,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526725928] [2025-03-17 18:55:31,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:31,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:55:32,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 18:55:32,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 18:55:32,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:32,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:32,434 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 18:55:32,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:55:32,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526725928] [2025-03-17 18:55:32,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526725928] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:55:32,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469879881] [2025-03-17 18:55:32,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:32,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:55:32,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:55:32,438 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 18:55:32,438 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 18:55:33,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 18:55:33,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 18:55:33,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:33,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:33,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 2334 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:55:33,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:55:34,013 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 18:55:34,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:55:34,248 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 18:55:34,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469879881] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:55:34,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:55:34,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 18:55:34,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927697599] [2025-03-17 18:55:34,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:55:34,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:55:34,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:55:34,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:55:34,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:55:34,249 INFO L87 Difference]: Start difference. First operand 617 states and 850 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 18:55:35,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:55:35,756 INFO L93 Difference]: Finished difference Result 1666 states and 2408 transitions. [2025-03-17 18:55:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:55:35,757 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 18:55:35,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:55:35,761 INFO L225 Difference]: With dead ends: 1666 [2025-03-17 18:55:35,761 INFO L226 Difference]: Without dead ends: 1665 [2025-03-17 18:55:35,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:55:35,762 INFO L435 NwaCegarLoop]: 776 mSDtfsCounter, 2556 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 2963 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 18:55:35,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 2963 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 18:55:35,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2025-03-17 18:55:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 629. [2025-03-17 18:55:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 526 states have (on average 1.5399239543726235) internal successors, (810), 593 states have internal predecessors, (810), 33 states have call successors, (33), 13 states have call predecessors, (33), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 18:55:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 865 transitions. [2025-03-17 18:55:35,780 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 865 transitions. Word has length 50 [2025-03-17 18:55:35,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:55:35,781 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 865 transitions. [2025-03-17 18:55:35,781 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 18:55:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 865 transitions. [2025-03-17 18:55:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-17 18:55:35,781 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:55:35,781 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:55:35,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 18:55:35,982 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 18:55:35,982 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 88 more)] === [2025-03-17 18:55:35,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:55:35,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1813035935, now seen corresponding path program 1 times [2025-03-17 18:55:35,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:55:35,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417851695] [2025-03-17 18:55:35,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:35,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:55:36,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 18:55:36,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 18:55:36,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:36,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-03-17 18:55:36,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:55:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417851695] [2025-03-17 18:55:36,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417851695] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:55:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999161952] [2025-03-17 18:55:36,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:55:36,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:55:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:55:36,974 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 18:55:36,976 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 18:55:38,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 18:55:38,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 18:55:38,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:55:38,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:55:38,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 2323 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:55:38,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:55:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-03-17 18:55:38,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:55:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-03-17 18:55:38,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999161952] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:55:38,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:55:38,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-17 18:55:38,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073959331] [2025-03-17 18:55:38,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:55:38,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:55:38,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:55:38,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:55:38,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:55:38,859 INFO L87 Difference]: Start difference. First operand 629 states and 865 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 18:55:42,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:55:46,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []