./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/head-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/head-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 9d0d62704d9d2a7d6604a8f9e55e356598a3d0a692f256361f60668a3d4dba4c --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 18:55:51,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 18:55:51,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 18:55:51,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 18:55:51,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 18:55:51,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 18:55:51,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 18:55:51,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 18:55:51,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 18:55:51,254 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 18:55:51,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 18:55:51,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 18:55:51,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 18:55:51,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 18:55:51,255 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 18:55:51,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 18:55:51,256 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 18:55:51,257 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:55:51,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 18:55:51,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 18:55:51,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 18:55:51,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 18:55:51,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 18:55:51,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 18:55:51,258 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 -> 9d0d62704d9d2a7d6604a8f9e55e356598a3d0a692f256361f60668a3d4dba4c [2025-03-17 18:55:51,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 18:55:51,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 18:55:51,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 18:55:51,488 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 18:55:51,488 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 18:55:51,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-3.i [2025-03-17 18:55:52,619 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ecd9cf0e/cc0da306c9e542cda8803e94d28831b8/FLAG272bff361 [2025-03-17 18:55:53,053 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 18:55:53,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-3.i [2025-03-17 18:55:53,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ecd9cf0e/cc0da306c9e542cda8803e94d28831b8/FLAG272bff361 [2025-03-17 18:55:53,191 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ecd9cf0e/cc0da306c9e542cda8803e94d28831b8 [2025-03-17 18:55:53,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 18:55:53,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 18:55:53,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 18:55:53,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 18:55:53,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 18:55:53,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:55:53" (1/1) ... [2025-03-17 18:55:53,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d02450b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:53, skipping insertion in model container [2025-03-17 18:55:53,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:55:53" (1/1) ... [2025-03-17 18:55:53,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 18:55:53,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:55:54,018 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 18:55:54,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:55:54,234 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-17 18:55:54,239 INFO L204 MainTranslator]: Completed translation [2025-03-17 18:55:54,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54 WrapperNode [2025-03-17 18:55:54,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 18:55:54,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 18:55:54,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 18:55:54,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 18:55:54,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,326 INFO L138 Inliner]: procedures = 581, calls = 697, calls flagged for inlining = 30, calls inlined = 28, statements flattened = 1397 [2025-03-17 18:55:54,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 18:55:54,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 18:55:54,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 18:55:54,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 18:55:54,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,350 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,411 INFO L175 MemorySlicer]: Split 566 memory accesses to 19 slices as follows [2, 3, 2, 2, 9, 9, 7, 15, 20, 24, 10, 355, 32, 3, 3, 4, 47, 18, 1]. 63 percent of accesses are in the largest equivalence class. The 379 initializations are split as follows [2, 3, 0, 2, 0, 1, 0, 0, 4, 0, 7, 355, 2, 0, 0, 1, 2, 0, 0]. The 120 writes are split as follows [0, 0, 1, 0, 6, 4, 7, 1, 15, 21, 0, 0, 21, 0, 3, 1, 35, 4, 1]. [2025-03-17 18:55:54,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 18:55:54,485 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 18:55:54,485 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 18:55:54,485 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 18:55:54,486 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (1/1) ... [2025-03-17 18:55:54,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:55:54,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:55:54,513 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 18:55:54,514 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 18:55:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2025-03-17 18:55:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2025-03-17 18:55:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2025-03-17 18:55:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2025-03-17 18:55:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2025-03-17 18:55:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2025-03-17 18:55:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2025-03-17 18:55:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2025-03-17 18:55:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2025-03-17 18:55:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2025-03-17 18:55:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2025-03-17 18:55:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _IO_getc [2025-03-17 18:55:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2025-03-17 18:55:54,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2025-03-17 18:55:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 18:55:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 18:55:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 18:55:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 18:55:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 18:55:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 18:55:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-17 18:55:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-17 18:55:54,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 18:55:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 18:55:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2025-03-17 18:55:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2025-03-17 18:55:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2025-03-17 18:55:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2025-03-17 18:55:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2025-03-17 18:55:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2025-03-17 18:55:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2025-03-17 18:55:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2025-03-17 18:55:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2025-03-17 18:55:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2025-03-17 18:55:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2025-03-17 18:55:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2025-03-17 18:55:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2025-03-17 18:55:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2025-03-17 18:55:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2025-03-17 18:55:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-03-17 18:55:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2025-03-17 18:55:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2025-03-17 18:55:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 18:55:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2025-03-17 18:55:54,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 18:55:54,541 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 18:55:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 18:55:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 18:55:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 18:55:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 18:55:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 18:55:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 18:55:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 18:55:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgets [2025-03-17 18:55:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgets [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-17 18:55:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 18:55:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 18:55:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 18:55:54,945 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 18:55:54,947 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 18:55:55,112 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2863: havoc #t~nondet150; [2025-03-17 18:55:55,425 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2773: call ULTIMATE.dealloc(~#i~0#1.base, ~#i~0#1.offset);havoc ~#i~0#1.base, ~#i~0#1.offset; [2025-03-17 18:56:00,136 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2420: havoc fclose_if_not_stdin_#t~bitwise80#1; [2025-03-17 18:56:00,138 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2492: call ULTIMATE.dealloc(__main_~#negative_N~0#1.base, __main_~#negative_N~0#1.offset);havoc __main_~#negative_N~0#1.base, __main_~#negative_N~0#1.offset; [2025-03-17 18:56:00,310 INFO L? ?]: Removed 561 outVars from TransFormulas that were not future-live. [2025-03-17 18:56:00,310 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 18:56:00,345 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 18:56:00,348 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 18:56:00,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:00 BoogieIcfgContainer [2025-03-17 18:56:00,349 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 18:56:00,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 18:56:00,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 18:56:00,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 18:56:00,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:55:53" (1/3) ... [2025-03-17 18:56:00,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29cd7949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:00, skipping insertion in model container [2025-03-17 18:56:00,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:55:54" (2/3) ... [2025-03-17 18:56:00,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29cd7949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:00, skipping insertion in model container [2025-03-17 18:56:00,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:00" (3/3) ... [2025-03-17 18:56:00,361 INFO L128 eAbstractionObserver]: Analyzing ICFG head-3.i [2025-03-17 18:56:00,373 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 18:56:00,378 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG head-3.i that has 48 procedures, 510 locations, 1 initial locations, 41 loop locations, and 54 error locations. [2025-03-17 18:56:00,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 18:56:00,442 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;@45a77787, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 18:56:00,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-03-17 18:56:00,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 274 states have (on average 1.645985401459854) internal successors, (451), 331 states have internal predecessors, (451), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-17 18:56:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 18:56:00,450 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:00,450 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 18:56:00,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:00,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:00,454 INFO L85 PathProgramCache]: Analyzing trace with hash 790396, now seen corresponding path program 1 times [2025-03-17 18:56:00,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:00,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151931964] [2025-03-17 18:56:00,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:00,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:01,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 18:56:01,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 18:56:01,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:01,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:01,658 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 18:56:01,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:01,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151931964] [2025-03-17 18:56:01,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151931964] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:01,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:01,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 18:56:01,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989078943] [2025-03-17 18:56:01,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:01,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:56:01,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:01,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:56:01,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:56:01,681 INFO L87 Difference]: Start difference. First operand has 369 states, 274 states have (on average 1.645985401459854) internal successors, (451), 331 states have internal predecessors, (451), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) 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 18:56:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:01,791 INFO L93 Difference]: Finished difference Result 618 states and 887 transitions. [2025-03-17 18:56:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:56:01,793 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 18:56:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:01,802 INFO L225 Difference]: With dead ends: 618 [2025-03-17 18:56:01,802 INFO L226 Difference]: Without dead ends: 252 [2025-03-17 18:56:01,806 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 18:56:01,808 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 1 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:01,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 662 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 18:56:01,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-03-17 18:56:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2025-03-17 18:56:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 199 states have (on average 1.5025125628140703) internal successors, (299), 225 states have internal predecessors, (299), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 339 transitions. [2025-03-17 18:56:01,860 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 339 transitions. Word has length 3 [2025-03-17 18:56:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:01,861 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 339 transitions. [2025-03-17 18:56:01,862 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 18:56:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 339 transitions. [2025-03-17 18:56:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 18:56:01,862 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:01,862 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2025-03-17 18:56:01,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 18:56:01,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:01,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:01,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2072576765, now seen corresponding path program 1 times [2025-03-17 18:56:01,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:01,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079349514] [2025-03-17 18:56:01,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:01,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:02,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:56:02,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:56:02,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:02,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:02,688 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 18:56:02,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:02,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079349514] [2025-03-17 18:56:02,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079349514] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:56:02,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686915317] [2025-03-17 18:56:02,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:02,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:56:02,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:56:02,692 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 18:56:02,694 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 18:56:03,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:56:03,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:56:03,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:03,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:03,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:56:03,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:56:03,687 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 18:56:03,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:56:03,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686915317] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:03,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:56:03,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2025-03-17 18:56:03,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848954821] [2025-03-17 18:56:03,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:03,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:56:03,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:03,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:56:03,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:56:03,688 INFO L87 Difference]: Start difference. First operand 252 states and 339 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 18:56:07,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:56:07,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:07,798 INFO L93 Difference]: Finished difference Result 252 states and 339 transitions. [2025-03-17 18:56:07,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:56:07,800 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 18:56:07,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:07,802 INFO L225 Difference]: With dead ends: 252 [2025-03-17 18:56:07,802 INFO L226 Difference]: Without dead ends: 251 [2025-03-17 18:56:07,802 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 18:56:07,802 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 1 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:07,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 657 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:56:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-03-17 18:56:07,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2025-03-17 18:56:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 199 states have (on average 1.4974874371859297) internal successors, (298), 224 states have internal predecessors, (298), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 338 transitions. [2025-03-17 18:56:07,814 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 338 transitions. Word has length 6 [2025-03-17 18:56:07,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:07,814 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 338 transitions. [2025-03-17 18:56:07,817 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 18:56:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 338 transitions. [2025-03-17 18:56:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 18:56:07,817 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:07,817 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2025-03-17 18:56:07,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 18:56:08,018 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 18:56:08,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:08,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:08,019 INFO L85 PathProgramCache]: Analyzing trace with hash -174628994, now seen corresponding path program 1 times [2025-03-17 18:56:08,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:08,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548606388] [2025-03-17 18:56:08,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:08,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 18:56:08,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 18:56:08,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:08,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:08,596 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 18:56:08,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:08,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548606388] [2025-03-17 18:56:08,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548606388] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:08,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:08,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:56:08,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991120999] [2025-03-17 18:56:08,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:08,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:56:08,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:08,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:56:08,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:56:08,599 INFO L87 Difference]: Start difference. First operand 251 states and 338 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 18:56:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:08,661 INFO L93 Difference]: Finished difference Result 251 states and 338 transitions. [2025-03-17 18:56:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:56:08,665 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 18:56:08,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:08,667 INFO L225 Difference]: With dead ends: 251 [2025-03-17 18:56:08,667 INFO L226 Difference]: Without dead ends: 250 [2025-03-17 18:56:08,667 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 18:56:08,668 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:08,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 658 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 18:56:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-17 18:56:08,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2025-03-17 18:56:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 197 states have (on average 1.49746192893401) internal successors, (295), 221 states have internal predecessors, (295), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 335 transitions. [2025-03-17 18:56:08,681 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 335 transitions. Word has length 7 [2025-03-17 18:56:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:08,681 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 335 transitions. [2025-03-17 18:56:08,681 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 18:56:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 335 transitions. [2025-03-17 18:56:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 18:56:08,682 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:08,682 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:56:08,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 18:56:08,682 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:08,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:08,682 INFO L85 PathProgramCache]: Analyzing trace with hash -864538025, now seen corresponding path program 1 times [2025-03-17 18:56:08,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:08,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391878736] [2025-03-17 18:56:08,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:08,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:09,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:56:09,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:56:09,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:09,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:09,347 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 18:56:09,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:09,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391878736] [2025-03-17 18:56:09,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391878736] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:56:09,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507815385] [2025-03-17 18:56:09,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:09,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:56:09,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:56:09,351 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 18:56:09,351 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 18:56:10,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:56:10,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:56:10,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:10,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:10,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 18:56:10,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:56:10,239 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 18:56:10,239 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:56:10,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507815385] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:10,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:56:10,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 18:56:10,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507957167] [2025-03-17 18:56:10,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:10,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:56:10,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:10,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:56:10,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:56:10,240 INFO L87 Difference]: Start difference. First operand 248 states and 335 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 18:56:14,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:56:14,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:14,337 INFO L93 Difference]: Finished difference Result 248 states and 335 transitions. [2025-03-17 18:56:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:56:14,338 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 18:56:14,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:14,339 INFO L225 Difference]: With dead ends: 248 [2025-03-17 18:56:14,339 INFO L226 Difference]: Without dead ends: 246 [2025-03-17 18:56:14,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:56:14,339 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 191 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:14,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 449 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:56:14,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2025-03-17 18:56:14,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2025-03-17 18:56:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 197 states have (on average 1.4873096446700507) internal successors, (293), 219 states have internal predecessors, (293), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 333 transitions. [2025-03-17 18:56:14,357 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 333 transitions. Word has length 11 [2025-03-17 18:56:14,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:14,358 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 333 transitions. [2025-03-17 18:56:14,358 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 18:56:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 333 transitions. [2025-03-17 18:56:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 18:56:14,358 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:14,358 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:56:14,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 18:56:14,558 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 18:56:14,559 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:14,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:14,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1030874274, now seen corresponding path program 1 times [2025-03-17 18:56:14,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:14,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752224546] [2025-03-17 18:56:14,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:14,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:14,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:56:14,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:56:14,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:14,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:15,194 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 18:56:15,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:15,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752224546] [2025-03-17 18:56:15,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752224546] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:56:15,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34516218] [2025-03-17 18:56:15,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:15,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:56:15,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:56:15,197 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 18:56:15,198 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 18:56:15,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:56:16,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:56:16,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:16,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:16,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:56:16,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:56:16,097 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 18:56:16,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:56:16,198 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 18:56:16,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34516218] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:56:16,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:56:16,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2025-03-17 18:56:16,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199086200] [2025-03-17 18:56:16,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:56:16,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:56:16,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:16,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:56:16,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:56:16,199 INFO L87 Difference]: Start difference. First operand 246 states and 333 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 18:56:16,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:16,294 INFO L93 Difference]: Finished difference Result 496 states and 672 transitions. [2025-03-17 18:56:16,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:56:16,295 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 18:56:16,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:16,297 INFO L225 Difference]: With dead ends: 496 [2025-03-17 18:56:16,297 INFO L226 Difference]: Without dead ends: 255 [2025-03-17 18:56:16,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:56:16,299 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 4 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:16,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1632 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 18:56:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-17 18:56:16,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-03-17 18:56:16,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 206 states have (on average 1.4660194174757282) internal successors, (302), 228 states have internal predecessors, (302), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:16,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 342 transitions. [2025-03-17 18:56:16,309 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 342 transitions. Word has length 12 [2025-03-17 18:56:16,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:16,310 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 342 transitions. [2025-03-17 18:56:16,310 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 18:56:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 342 transitions. [2025-03-17 18:56:16,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 18:56:16,310 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:16,310 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:56:16,320 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 18:56:16,510 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 18:56:16,511 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:16,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:16,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1346192035, now seen corresponding path program 2 times [2025-03-17 18:56:16,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:16,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240815162] [2025-03-17 18:56:16,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 18:56:16,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:16,980 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-17 18:56:17,023 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 21 statements. [2025-03-17 18:56:17,023 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 18:56:17,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:17,360 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 18:56:17,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:17,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240815162] [2025-03-17 18:56:17,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240815162] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:17,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:17,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 18:56:17,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954584840] [2025-03-17 18:56:17,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:17,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 18:56:17,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:17,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 18:56:17,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:56:17,362 INFO L87 Difference]: Start difference. First operand 255 states and 342 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 18:56:21,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:56:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:21,630 INFO L93 Difference]: Finished difference Result 255 states and 342 transitions. [2025-03-17 18:56:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 18:56:21,631 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 18:56:21,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:21,632 INFO L225 Difference]: With dead ends: 255 [2025-03-17 18:56:21,632 INFO L226 Difference]: Without dead ends: 253 [2025-03-17 18:56:21,632 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 18:56:21,633 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 190 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:21,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1077 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-17 18:56:21,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2025-03-17 18:56:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2025-03-17 18:56:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 206 states have (on average 1.4563106796116505) internal successors, (300), 226 states have internal predecessors, (300), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 340 transitions. [2025-03-17 18:56:21,640 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 340 transitions. Word has length 21 [2025-03-17 18:56:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:21,640 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 340 transitions. [2025-03-17 18:56:21,640 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 18:56:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 340 transitions. [2025-03-17 18:56:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 18:56:21,641 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:21,641 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 18:56:21,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 18:56:21,641 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:21,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:21,641 INFO L85 PathProgramCache]: Analyzing trace with hash 624762291, now seen corresponding path program 1 times [2025-03-17 18:56:21,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:21,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652006145] [2025-03-17 18:56:21,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:22,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 18:56:22,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 18:56:22,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:22,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:22,239 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 18:56:22,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:22,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652006145] [2025-03-17 18:56:22,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652006145] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:22,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:22,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:56:22,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102779495] [2025-03-17 18:56:22,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:22,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:56:22,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:22,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:56:22,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:56:22,241 INFO L87 Difference]: Start difference. First operand 253 states and 340 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 18:56:26,270 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 18:56:26,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:26,387 INFO L93 Difference]: Finished difference Result 490 states and 665 transitions. [2025-03-17 18:56:26,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:56:26,387 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 18:56:26,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:26,389 INFO L225 Difference]: With dead ends: 490 [2025-03-17 18:56:26,389 INFO L226 Difference]: Without dead ends: 256 [2025-03-17 18:56:26,389 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 18:56:26,390 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 2 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:26,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 647 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:56:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-03-17 18:56:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2025-03-17 18:56:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 209 states have (on average 1.4497607655502391) internal successors, (303), 229 states have internal predecessors, (303), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 343 transitions. [2025-03-17 18:56:26,403 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 343 transitions. Word has length 26 [2025-03-17 18:56:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:26,403 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 343 transitions. [2025-03-17 18:56:26,404 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 18:56:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 343 transitions. [2025-03-17 18:56:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 18:56:26,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:26,405 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 18:56:26,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 18:56:26,405 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:26,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:26,406 INFO L85 PathProgramCache]: Analyzing trace with hash -2089373162, now seen corresponding path program 1 times [2025-03-17 18:56:26,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:26,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867668817] [2025-03-17 18:56:26,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:26,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:56:26,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:56:26,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:26,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:27,092 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 18:56:27,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:27,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867668817] [2025-03-17 18:56:27,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867668817] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:56:27,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238065887] [2025-03-17 18:56:27,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:27,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:56:27,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:56:27,095 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 18:56:27,097 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 18:56:27,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:56:28,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:56:28,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:28,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:28,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 18:56:28,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:56:28,117 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 18:56:28,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:56:28,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238065887] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:28,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:56:28,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 18:56:28,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634258849] [2025-03-17 18:56:28,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:28,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:56:28,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:28,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:56:28,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:56:28,118 INFO L87 Difference]: Start difference. First operand 256 states and 343 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 18:56:32,149 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 18:56:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:32,268 INFO L93 Difference]: Finished difference Result 256 states and 343 transitions. [2025-03-17 18:56:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:56:32,269 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 18:56:32,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:32,270 INFO L225 Difference]: With dead ends: 256 [2025-03-17 18:56:32,270 INFO L226 Difference]: Without dead ends: 255 [2025-03-17 18:56:32,271 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 18:56:32,271 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 3 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:32,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 637 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:56:32,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-17 18:56:32,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-03-17 18:56:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 209 states have (on average 1.444976076555024) internal successors, (302), 228 states have internal predecessors, (302), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 342 transitions. [2025-03-17 18:56:32,279 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 342 transitions. Word has length 29 [2025-03-17 18:56:32,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:32,279 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 342 transitions. [2025-03-17 18:56:32,279 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 18:56:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 342 transitions. [2025-03-17 18:56:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 18:56:32,280 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:32,280 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 18:56:32,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 18:56:32,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:56:32,481 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:32,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:32,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2089373002, now seen corresponding path program 1 times [2025-03-17 18:56:32,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:32,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501435053] [2025-03-17 18:56:32,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:32,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:32,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:56:32,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:56:32,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:32,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:33,148 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 18:56:33,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:33,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501435053] [2025-03-17 18:56:33,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501435053] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:56:33,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753012079] [2025-03-17 18:56:33,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:33,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:56:33,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:56:33,150 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 18:56:33,152 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 18:56:33,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:56:34,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:56:34,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:34,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:34,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 18:56:34,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:56:34,350 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 18:56:34,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:56:34,801 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 18:56:34,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753012079] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:56:34,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:56:34,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2025-03-17 18:56:34,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419220675] [2025-03-17 18:56:34,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:56:34,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 18:56:34,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:34,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 18:56:34,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-17 18:56:34,803 INFO L87 Difference]: Start difference. First operand 255 states and 342 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 18:56:38,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:56:42,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:56:43,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:43,266 INFO L93 Difference]: Finished difference Result 513 states and 693 transitions. [2025-03-17 18:56:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 18:56:43,267 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 18:56:43,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:43,268 INFO L225 Difference]: With dead ends: 513 [2025-03-17 18:56:43,268 INFO L226 Difference]: Without dead ends: 272 [2025-03-17 18:56:43,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-17 18:56:43,269 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 5 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:43,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1904 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2025-03-17 18:56:43,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2025-03-17 18:56:43,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2025-03-17 18:56:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 227 states have (on average 1.4052863436123348) internal successors, (319), 245 states have internal predecessors, (319), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 359 transitions. [2025-03-17 18:56:43,284 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 359 transitions. Word has length 29 [2025-03-17 18:56:43,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:43,285 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 359 transitions. [2025-03-17 18:56:43,285 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 18:56:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 359 transitions. [2025-03-17 18:56:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 18:56:43,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:43,286 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 18:56:43,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 18:56:43,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:56:43,487 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:43,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:43,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1072327248, now seen corresponding path program 1 times [2025-03-17 18:56:43,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:43,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12390753] [2025-03-17 18:56:43,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:43,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:43,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 18:56:43,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 18:56:43,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:43,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:44,131 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 18:56:44,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12390753] [2025-03-17 18:56:44,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12390753] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:44,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:44,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:56:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873927146] [2025-03-17 18:56:44,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:44,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:56:44,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:44,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:56:44,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:56:44,134 INFO L87 Difference]: Start difference. First operand 272 states and 359 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 18:56:48,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:56:48,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:48,251 INFO L93 Difference]: Finished difference Result 283 states and 372 transitions. [2025-03-17 18:56:48,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:56:48,251 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 18:56:48,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:48,253 INFO L225 Difference]: With dead ends: 283 [2025-03-17 18:56:48,253 INFO L226 Difference]: Without dead ends: 282 [2025-03-17 18:56:48,253 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 18:56:48,253 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:48,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 641 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:56:48,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2025-03-17 18:56:48,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 281. [2025-03-17 18:56:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 236 states have (on average 1.402542372881356) internal successors, (331), 254 states have internal predecessors, (331), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 371 transitions. [2025-03-17 18:56:48,260 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 371 transitions. Word has length 48 [2025-03-17 18:56:48,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:48,260 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 371 transitions. [2025-03-17 18:56:48,260 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 18:56:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 371 transitions. [2025-03-17 18:56:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 18:56:48,261 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:48,261 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 18:56:48,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 18:56:48,261 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:48,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:48,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1072332213, now seen corresponding path program 1 times [2025-03-17 18:56:48,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:48,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5127053] [2025-03-17 18:56:48,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:48,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:48,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 18:56:48,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 18:56:48,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:48,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:48,781 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 18:56:48,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:48,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5127053] [2025-03-17 18:56:48,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5127053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:48,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:48,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:56:48,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261928971] [2025-03-17 18:56:48,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:48,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:56:48,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:48,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:56:48,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:56:48,782 INFO L87 Difference]: Start difference. First operand 281 states and 371 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 18:56:52,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:56:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:52,891 INFO L93 Difference]: Finished difference Result 281 states and 371 transitions. [2025-03-17 18:56:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:56:52,891 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 18:56:52,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:52,892 INFO L225 Difference]: With dead ends: 281 [2025-03-17 18:56:52,892 INFO L226 Difference]: Without dead ends: 280 [2025-03-17 18:56:52,893 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 18:56:52,893 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:52,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 643 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 18:56:52,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-03-17 18:56:52,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276. [2025-03-17 18:56:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 232 states have (on average 1.4008620689655173) internal successors, (325), 249 states have internal predecessors, (325), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 18:56:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 365 transitions. [2025-03-17 18:56:52,900 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 365 transitions. Word has length 48 [2025-03-17 18:56:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:52,900 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 365 transitions. [2025-03-17 18:56:52,900 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 18:56:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 365 transitions. [2025-03-17 18:56:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 18:56:52,901 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:52,901 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:56:52,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 18:56:52,901 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:52,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:52,902 INFO L85 PathProgramCache]: Analyzing trace with hash -669902003, now seen corresponding path program 1 times [2025-03-17 18:56:52,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:52,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624051829] [2025-03-17 18:56:52,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:52,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:53,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 18:56:53,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 18:56:53,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:53,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:56:53,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:53,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624051829] [2025-03-17 18:56:53,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624051829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:53,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:53,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 18:56:53,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306888891] [2025-03-17 18:56:53,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:53,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 18:56:53,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:53,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 18:56:53,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:56:53,584 INFO L87 Difference]: Start difference. First operand 276 states and 365 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:56:55,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:55,378 INFO L93 Difference]: Finished difference Result 751 states and 1027 transitions. [2025-03-17 18:56:55,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 18:56:55,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2025-03-17 18:56:55,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:55,382 INFO L225 Difference]: With dead ends: 751 [2025-03-17 18:56:55,383 INFO L226 Difference]: Without dead ends: 532 [2025-03-17 18:56:55,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:56:55,384 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 523 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:55,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 878 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-17 18:56:55,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2025-03-17 18:56:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 367. [2025-03-17 18:56:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 316 states have (on average 1.4367088607594938) internal successors, (454), 335 states have internal predecessors, (454), 26 states have call successors, (26), 12 states have call predecessors, (26), 13 states have return successors, (23), 20 states have call predecessors, (23), 20 states have call successors, (23) [2025-03-17 18:56:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 503 transitions. [2025-03-17 18:56:55,402 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 503 transitions. Word has length 54 [2025-03-17 18:56:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:55,402 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 503 transitions. [2025-03-17 18:56:55,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:56:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 503 transitions. [2025-03-17 18:56:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 18:56:55,402 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:55,403 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:56:55,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 18:56:55,403 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:55,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:55,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1817610830, now seen corresponding path program 1 times [2025-03-17 18:56:55,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331792832] [2025-03-17 18:56:55,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:55,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:55,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 18:56:55,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 18:56:55,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:55,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:56:56,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:56,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331792832] [2025-03-17 18:56:56,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331792832] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:56,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:56,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 18:56:56,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924119252] [2025-03-17 18:56:56,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:56,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 18:56:56,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:56,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 18:56:56,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 18:56:56,238 INFO L87 Difference]: Start difference. First operand 367 states and 503 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:56:56,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:56:56,659 INFO L93 Difference]: Finished difference Result 474 states and 667 transitions. [2025-03-17 18:56:56,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 18:56:56,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2025-03-17 18:56:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:56:56,662 INFO L225 Difference]: With dead ends: 474 [2025-03-17 18:56:56,662 INFO L226 Difference]: Without dead ends: 473 [2025-03-17 18:56:56,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-17 18:56:56,663 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 127 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 18:56:56,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1199 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 18:56:56,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-03-17 18:56:56,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 456. [2025-03-17 18:56:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 399 states have (on average 1.4661654135338347) internal successors, (585), 420 states have internal predecessors, (585), 28 states have call successors, (28), 14 states have call predecessors, (28), 17 states have return successors, (34), 22 states have call predecessors, (34), 22 states have call successors, (34) [2025-03-17 18:56:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 647 transitions. [2025-03-17 18:56:56,677 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 647 transitions. Word has length 54 [2025-03-17 18:56:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:56:56,677 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 647 transitions. [2025-03-17 18:56:56,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:56:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 647 transitions. [2025-03-17 18:56:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 18:56:56,678 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:56:56,678 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:56:56,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 18:56:56,678 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:56:56,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:56:56,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1589852785, now seen corresponding path program 1 times [2025-03-17 18:56:56,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:56:56,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232740827] [2025-03-17 18:56:56,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:56:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:56:57,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 18:56:57,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 18:56:57,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:56:57,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:56:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:56:57,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:56:57,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232740827] [2025-03-17 18:56:57,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232740827] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:56:57,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:56:57,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 18:56:57,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476892799] [2025-03-17 18:56:57,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:56:57,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 18:56:57,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:56:57,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 18:56:57,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 18:56:57,588 INFO L87 Difference]: Start difference. First operand 456 states and 647 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 18:57:01,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:57:05,647 WARN L539 Checker$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 18:57:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:57:06,018 INFO L93 Difference]: Finished difference Result 860 states and 1236 transitions. [2025-03-17 18:57:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:57:06,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 54 [2025-03-17 18:57:06,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:57:06,021 INFO L225 Difference]: With dead ends: 860 [2025-03-17 18:57:06,021 INFO L226 Difference]: Without dead ends: 456 [2025-03-17 18:57:06,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 18:57:06,022 INFO L435 NwaCegarLoop]: 314 mSDtfsCounter, 191 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2025-03-17 18:57:06,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1360 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2025-03-17 18:57:06,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2025-03-17 18:57:06,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2025-03-17 18:57:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 399 states have (on average 1.463659147869674) internal successors, (584), 420 states have internal predecessors, (584), 28 states have call successors, (28), 14 states have call predecessors, (28), 17 states have return successors, (34), 22 states have call predecessors, (34), 22 states have call successors, (34) [2025-03-17 18:57:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 646 transitions. [2025-03-17 18:57:06,034 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 646 transitions. Word has length 54 [2025-03-17 18:57:06,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:57:06,034 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 646 transitions. [2025-03-17 18:57:06,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 18:57:06,034 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 646 transitions. [2025-03-17 18:57:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-17 18:57:06,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:57:06,035 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 18:57:06,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 18:57:06,035 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:57:06,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:57:06,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1392710651, now seen corresponding path program 1 times [2025-03-17 18:57:06,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:57:06,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524615305] [2025-03-17 18:57:06,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:57:06,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:57:06,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 18:57:06,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 18:57:06,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:57:06,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:57:06,652 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 18:57:06,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:57:06,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524615305] [2025-03-17 18:57:06,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524615305] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:57:06,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975732151] [2025-03-17 18:57:06,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:57:06,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:57:06,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:57:06,655 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 18:57:06,656 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 18:57:07,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 18:57:07,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 18:57:07,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:57:07,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:57:07,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:57:07,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:57:07,802 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 18:57:07,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:57:07,934 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 18:57:07,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975732151] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:57:07,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:57:07,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-17 18:57:07,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338188171] [2025-03-17 18:57:07,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:57:07,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:57:07,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:57:07,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:57:07,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:57:07,937 INFO L87 Difference]: Start difference. First operand 456 states and 646 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 18:57:12,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:57:16,039 WARN L539 Checker$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 18:57:20,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 18:57:24,142 WARN L539 Checker$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 18:57:28,176 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 18:57:28,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:57:28,355 INFO L93 Difference]: Finished difference Result 888 states and 1271 transitions. [2025-03-17 18:57:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:57:28,356 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-17 18:57:28,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:57:28,357 INFO L225 Difference]: With dead ends: 888 [2025-03-17 18:57:28,357 INFO L226 Difference]: Without dead ends: 474 [2025-03-17 18:57:28,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:57:28,358 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 4 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2025-03-17 18:57:28,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 963 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 5 Unknown, 0 Unchecked, 20.4s Time] [2025-03-17 18:57:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-03-17 18:57:28,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2025-03-17 18:57:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 417 states have (on average 1.4436450839328536) internal successors, (602), 438 states have internal predecessors, (602), 28 states have call successors, (28), 14 states have call predecessors, (28), 17 states have return successors, (34), 22 states have call predecessors, (34), 22 states have call successors, (34) [2025-03-17 18:57:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 664 transitions. [2025-03-17 18:57:28,374 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 664 transitions. Word has length 55 [2025-03-17 18:57:28,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:57:28,374 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 664 transitions. [2025-03-17 18:57:28,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:57:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 664 transitions. [2025-03-17 18:57:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 18:57:28,376 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:57:28,376 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:57:28,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 18:57:28,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-17 18:57:28,577 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2025-03-17 18:57:28,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:57:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash 992701399, now seen corresponding path program 1 times [2025-03-17 18:57:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:57:28,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853975935] [2025-03-17 18:57:28,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:57:28,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:57:28,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 18:57:29,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 18:57:29,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:57:29,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat