./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/mkdir-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkdir-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 169b7861ff08f80fc0a1448ceec32d97e483f3188dda46b3d7ed41dfe01af59b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:02:30,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:02:30,914 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 06:02:30,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:02:30,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:02:30,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:02:30,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:02:30,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:02:30,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:02:30,933 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:02:30,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:02:30,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:02:30,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:02:30,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:02:30,934 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:02:30,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:02:30,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:02:30,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:02:30,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:02:30,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:02:30,935 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:02:30,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:02:30,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:02:30,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:02:30,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:02:30,936 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-jdk21/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 -> 169b7861ff08f80fc0a1448ceec32d97e483f3188dda46b3d7ed41dfe01af59b [2025-01-10 06:02:31,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:02:31,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:02:31,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:02:31,175 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:02:31,176 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:02:31,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkdir-1.i [2025-01-10 06:02:32,415 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8dcb0437/d8e42ecdbe7241b5b5bf372a2d178c26/FLAG647bd42b4 [2025-01-10 06:02:32,906 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:02:32,907 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkdir-1.i [2025-01-10 06:02:32,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8dcb0437/d8e42ecdbe7241b5b5bf372a2d178c26/FLAG647bd42b4 [2025-01-10 06:02:32,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8dcb0437/d8e42ecdbe7241b5b5bf372a2d178c26 [2025-01-10 06:02:32,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:02:32,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:02:32,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:02:32,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:02:32,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:02:32,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:02:32" (1/1) ... [2025-01-10 06:02:32,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f8692d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:32, skipping insertion in model container [2025-01-10 06:02:32,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:02:32" (1/1) ... [2025-01-10 06:02:33,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:02:34,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:02:34,550 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:02:34,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:02:34,907 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 06:02:34,915 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:02:34,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34 WrapperNode [2025-01-10 06:02:34,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:02:34,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:02:34,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:02:34,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:02:34,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:34,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,058 INFO L138 Inliner]: procedures = 639, calls = 848, calls flagged for inlining = 27, calls inlined = 26, statements flattened = 2494 [2025-01-10 06:02:35,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:02:35,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:02:35,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:02:35,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:02:35,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,092 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 06:02:35,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,134 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:02:35,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:02:35,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:02:35,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:02:35,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (1/1) ... [2025-01-10 06:02:35,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:02:35,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:35,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 06:02:35,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 06:02:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:02:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-10 06:02:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-10 06:02:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-10 06:02:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-10 06:02:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-10 06:02:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:02:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:02:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 06:02:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:02:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:02:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 06:02:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 06:02:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-01-10 06:02:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-01-10 06:02:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 06:02:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 06:02:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2025-01-10 06:02:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure umask [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2025-01-10 06:02:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-10 06:02:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 06:02:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2025-01-10 06:02:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2025-01-10 06:02:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-10 06:02:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 06:02:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 06:02:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-10 06:02:35,738 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:02:35,740 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:02:42,388 INFO L? ?]: Removed 722 outVars from TransFormulas that were not future-live. [2025-01-10 06:02:42,388 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:02:42,414 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:02:42,416 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2025-01-10 06:02:42,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:02:42 BoogieIcfgContainer [2025-01-10 06:02:42,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:02:42,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:02:42,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:02:42,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:02:42,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:02:32" (1/3) ... [2025-01-10 06:02:42,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673c6731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:02:42, skipping insertion in model container [2025-01-10 06:02:42,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:02:34" (2/3) ... [2025-01-10 06:02:42,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673c6731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:02:42, skipping insertion in model container [2025-01-10 06:02:42,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:02:42" (3/3) ... [2025-01-10 06:02:42,427 INFO L128 eAbstractionObserver]: Analyzing ICFG mkdir-1.i [2025-01-10 06:02:42,438 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:02:42,442 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mkdir-1.i that has 10 procedures, 681 locations, 1 initial locations, 39 loop locations, and 72 error locations. [2025-01-10 06:02:42,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:02:42,514 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;@455ca274, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:02:42,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2025-01-10 06:02:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 681 states, 568 states have (on average 1.642605633802817) internal successors, (933), 645 states have internal predecessors, (933), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 06:02:42,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 06:02:42,529 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:42,530 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 06:02:42,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:42,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:42,534 INFO L85 PathProgramCache]: Analyzing trace with hash 9422020, now seen corresponding path program 1 times [2025-01-10 06:02:42,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:42,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859371415] [2025-01-10 06:02:42,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:42,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:43,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 06:02:43,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 06:02:43,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:43,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:02:43,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:43,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859371415] [2025-01-10 06:02:43,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859371415] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:43,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:43,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:02:43,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461244912] [2025-01-10 06:02:43,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:43,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:43,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:43,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:43,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:02:43,739 INFO L87 Difference]: Start difference. First operand has 681 states, 568 states have (on average 1.642605633802817) internal successors, (933), 645 states have internal predecessors, (933), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-10 06:02:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:43,890 INFO L93 Difference]: Finished difference Result 1257 states and 1874 transitions. [2025-01-10 06:02:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:43,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-01-10 06:02:43,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:43,899 INFO L225 Difference]: With dead ends: 1257 [2025-01-10 06:02:43,899 INFO L226 Difference]: Without dead ends: 577 [2025-01-10 06:02:43,905 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 [2025-01-10 06:02:43,907 INFO L435 NwaCegarLoop]: 819 mSDtfsCounter, 1 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:43,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1633 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:43,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-01-10 06:02:43,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2025-01-10 06:02:43,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 499 states have (on average 1.5490981963927857) internal successors, (773), 549 states have internal predecessors, (773), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 821 transitions. [2025-01-10 06:02:43,974 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 821 transitions. Word has length 4 [2025-01-10 06:02:43,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:43,974 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 821 transitions. [2025-01-10 06:02:43,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-10 06:02:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 821 transitions. [2025-01-10 06:02:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 06:02:43,975 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:43,975 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-01-10 06:02:43,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:02:43,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:43,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:43,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1518837242, now seen corresponding path program 1 times [2025-01-10 06:02:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:43,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042540222] [2025-01-10 06:02:43,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:43,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:44,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:02:44,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:02:44,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:44,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:02:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042540222] [2025-01-10 06:02:44,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042540222] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:02:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630538740] [2025-01-10 06:02:44,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:44,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:44,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:02:44,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 06:02:45,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:02:45,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:02:45,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:45,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:45,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:02:45,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:02:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:02:45,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:02:45,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630538740] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:45,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:02:45,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:02:45,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573400305] [2025-01-10 06:02:45,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:45,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:02:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:45,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:02:45,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:45,330 INFO L87 Difference]: Start difference. First operand 577 states and 821 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2025-01-10 06:02:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:45,380 INFO L93 Difference]: Finished difference Result 577 states and 821 transitions. [2025-01-10 06:02:45,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:02:45,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2025-01-10 06:02:45,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:45,388 INFO L225 Difference]: With dead ends: 577 [2025-01-10 06:02:45,388 INFO L226 Difference]: Without dead ends: 576 [2025-01-10 06:02:45,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:45,389 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 1 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:45,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2434 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:45,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2025-01-10 06:02:45,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2025-01-10 06:02:45,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 499 states have (on average 1.5470941883767535) internal successors, (772), 548 states have internal predecessors, (772), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:45,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 820 transitions. [2025-01-10 06:02:45,418 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 820 transitions. Word has length 7 [2025-01-10 06:02:45,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:45,418 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 820 transitions. [2025-01-10 06:02:45,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2025-01-10 06:02:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 820 transitions. [2025-01-10 06:02:45,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:02:45,418 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:45,418 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-01-10 06:02:45,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 06:02:45,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:45,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:45,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:45,624 INFO L85 PathProgramCache]: Analyzing trace with hash -160685438, now seen corresponding path program 1 times [2025-01-10 06:02:45,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:45,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435779964] [2025-01-10 06:02:45,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:45,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:45,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:02:45,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:02:45,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:45,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:02:46,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:46,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435779964] [2025-01-10 06:02:46,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435779964] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:46,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:46,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:02:46,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537054344] [2025-01-10 06:02:46,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:46,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:46,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:46,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:46,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:02:46,045 INFO L87 Difference]: Start difference. First operand 576 states and 820 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-01-10 06:02:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:46,065 INFO L93 Difference]: Finished difference Result 576 states and 820 transitions. [2025-01-10 06:02:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:46,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2025-01-10 06:02:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:46,068 INFO L225 Difference]: With dead ends: 576 [2025-01-10 06:02:46,068 INFO L226 Difference]: Without dead ends: 575 [2025-01-10 06:02:46,068 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 [2025-01-10 06:02:46,069 INFO L435 NwaCegarLoop]: 813 mSDtfsCounter, 0 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:46,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1624 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:46,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-10 06:02:46,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 573. [2025-01-10 06:02:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 497 states have (on average 1.5472837022132797) internal successors, (769), 545 states have internal predecessors, (769), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:46,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 817 transitions. [2025-01-10 06:02:46,080 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 817 transitions. Word has length 8 [2025-01-10 06:02:46,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:46,080 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 817 transitions. [2025-01-10 06:02:46,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-01-10 06:02:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 817 transitions. [2025-01-10 06:02:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 06:02:46,080 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:46,081 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:46,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:02:46,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:46,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:46,081 INFO L85 PathProgramCache]: Analyzing trace with hash 481875342, now seen corresponding path program 1 times [2025-01-10 06:02:46,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:46,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138441229] [2025-01-10 06:02:46,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:46,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:46,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:02:46,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:02:46,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:46,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:02:46,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:46,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138441229] [2025-01-10 06:02:46,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138441229] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:02:46,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537446954] [2025-01-10 06:02:46,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:46,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:46,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:46,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:02:46,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 06:02:47,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:02:47,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:02:47,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:47,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:47,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:02:47,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:02:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:02:47,363 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:02:47,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537446954] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:47,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:02:47,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 06:02:47,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130515410] [2025-01-10 06:02:47,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:47,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:47,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:47,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:47,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:47,365 INFO L87 Difference]: Start difference. First operand 573 states and 817 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2025-01-10 06:02:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:47,406 INFO L93 Difference]: Finished difference Result 573 states and 817 transitions. [2025-01-10 06:02:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:47,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 12 [2025-01-10 06:02:47,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:47,413 INFO L225 Difference]: With dead ends: 573 [2025-01-10 06:02:47,413 INFO L226 Difference]: Without dead ends: 571 [2025-01-10 06:02:47,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:47,414 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 721 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:47,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 874 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:47,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2025-01-10 06:02:47,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2025-01-10 06:02:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 497 states have (on average 1.5432595573440644) internal successors, (767), 543 states have internal predecessors, (767), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 815 transitions. [2025-01-10 06:02:47,429 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 815 transitions. Word has length 12 [2025-01-10 06:02:47,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:47,430 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 815 transitions. [2025-01-10 06:02:47,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2025-01-10 06:02:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 815 transitions. [2025-01-10 06:02:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 06:02:47,430 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:47,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:47,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 06:02:47,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:47,635 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:47,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:47,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2053234037, now seen corresponding path program 1 times [2025-01-10 06:02:47,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:47,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112751638] [2025-01-10 06:02:47,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:47,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:47,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:02:47,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:02:47,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:47,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:02:48,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:48,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112751638] [2025-01-10 06:02:48,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112751638] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:02:48,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289515537] [2025-01-10 06:02:48,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:48,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:48,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:48,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:02:48,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 06:02:48,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:02:48,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:02:48,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:48,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:48,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:02:48,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:02:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:02:48,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:02:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:02:48,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289515537] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:02:48,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:02:48,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 06:02:48,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230828025] [2025-01-10 06:02:48,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:02:48,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:02:48,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:48,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:02:48,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:02:48,858 INFO L87 Difference]: Start difference. First operand 571 states and 815 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2025-01-10 06:02:48,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:48,934 INFO L93 Difference]: Finished difference Result 1145 states and 1635 transitions. [2025-01-10 06:02:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:02:48,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 13 [2025-01-10 06:02:48,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:48,938 INFO L225 Difference]: With dead ends: 1145 [2025-01-10 06:02:48,938 INFO L226 Difference]: Without dead ends: 580 [2025-01-10 06:02:48,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:02:48,940 INFO L435 NwaCegarLoop]: 811 mSDtfsCounter, 4 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:48,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4047 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2025-01-10 06:02:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2025-01-10 06:02:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 506 states have (on average 1.533596837944664) internal successors, (776), 552 states have internal predecessors, (776), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 824 transitions. [2025-01-10 06:02:48,973 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 824 transitions. Word has length 13 [2025-01-10 06:02:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:48,973 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 824 transitions. [2025-01-10 06:02:48,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2025-01-10 06:02:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 824 transitions. [2025-01-10 06:02:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 06:02:48,974 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:48,974 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:48,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 06:02:49,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:49,176 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:49,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:49,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2125886145, now seen corresponding path program 2 times [2025-01-10 06:02:49,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:49,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058081247] [2025-01-10 06:02:49,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:02:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:49,657 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-10 06:02:49,802 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-01-10 06:02:49,803 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:02:49,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 06:02:50,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:50,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058081247] [2025-01-10 06:02:50,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058081247] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:50,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:50,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:02:50,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898168882] [2025-01-10 06:02:50,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:50,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:02:50,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:50,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:02:50,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:50,407 INFO L87 Difference]: Start difference. First operand 580 states and 824 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2025-01-10 06:02:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:50,654 INFO L93 Difference]: Finished difference Result 580 states and 824 transitions. [2025-01-10 06:02:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:02:50,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 22 [2025-01-10 06:02:50,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:50,660 INFO L225 Difference]: With dead ends: 580 [2025-01-10 06:02:50,664 INFO L226 Difference]: Without dead ends: 578 [2025-01-10 06:02:50,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:50,670 INFO L435 NwaCegarLoop]: 799 mSDtfsCounter, 720 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:50,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 2451 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 06:02:50,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-01-10 06:02:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2025-01-10 06:02:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 506 states have (on average 1.5296442687747036) internal successors, (774), 550 states have internal predecessors, (774), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 822 transitions. [2025-01-10 06:02:50,707 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 822 transitions. Word has length 22 [2025-01-10 06:02:50,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:50,712 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 822 transitions. [2025-01-10 06:02:50,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2025-01-10 06:02:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 822 transitions. [2025-01-10 06:02:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 06:02:50,716 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:50,717 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:50,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:02:50,717 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:50,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:50,717 INFO L85 PathProgramCache]: Analyzing trace with hash -39492948, now seen corresponding path program 1 times [2025-01-10 06:02:50,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:50,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639536060] [2025-01-10 06:02:50,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:50,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:51,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 06:02:51,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 06:02:51,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:51,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 06:02:51,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:51,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639536060] [2025-01-10 06:02:51,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639536060] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:51,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:51,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:02:51,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352871440] [2025-01-10 06:02:51,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:51,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:51,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:51,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:51,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:02:51,615 INFO L87 Difference]: Start difference. First operand 578 states and 822 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:02:51,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:51,707 INFO L93 Difference]: Finished difference Result 1139 states and 1628 transitions. [2025-01-10 06:02:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:51,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-01-10 06:02:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:51,711 INFO L225 Difference]: With dead ends: 1139 [2025-01-10 06:02:51,711 INFO L226 Difference]: Without dead ends: 581 [2025-01-10 06:02:51,716 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 [2025-01-10 06:02:51,717 INFO L435 NwaCegarLoop]: 809 mSDtfsCounter, 1 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:51,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1613 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:02:51,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-01-10 06:02:51,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2025-01-10 06:02:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 509 states have (on average 1.5265225933202358) internal successors, (777), 553 states have internal predecessors, (777), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 825 transitions. [2025-01-10 06:02:51,762 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 825 transitions. Word has length 27 [2025-01-10 06:02:51,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:51,763 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 825 transitions. [2025-01-10 06:02:51,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:02:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 825 transitions. [2025-01-10 06:02:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 06:02:51,764 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:51,764 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:51,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:02:51,764 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:51,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1223788470, now seen corresponding path program 1 times [2025-01-10 06:02:51,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:51,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208753914] [2025-01-10 06:02:51,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:51,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:52,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 06:02:52,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 06:02:52,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:52,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 06:02:52,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:52,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208753914] [2025-01-10 06:02:52,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208753914] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:52,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:52,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:02:52,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823555046] [2025-01-10 06:02:52,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:52,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:52,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:52,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:52,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:02:52,968 INFO L87 Difference]: Start difference. First operand 581 states and 825 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2025-01-10 06:02:53,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:53,101 INFO L93 Difference]: Finished difference Result 886 states and 1271 transitions. [2025-01-10 06:02:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:53,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 28 [2025-01-10 06:02:53,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:53,110 INFO L225 Difference]: With dead ends: 886 [2025-01-10 06:02:53,110 INFO L226 Difference]: Without dead ends: 884 [2025-01-10 06:02:53,110 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 [2025-01-10 06:02:53,115 INFO L435 NwaCegarLoop]: 804 mSDtfsCounter, 418 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:53,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1600 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:02:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2025-01-10 06:02:53,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 585. [2025-01-10 06:02:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 513 states have (on average 1.5243664717348928) internal successors, (782), 557 states have internal predecessors, (782), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 830 transitions. [2025-01-10 06:02:53,156 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 830 transitions. Word has length 28 [2025-01-10 06:02:53,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:53,158 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 830 transitions. [2025-01-10 06:02:53,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2025-01-10 06:02:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 830 transitions. [2025-01-10 06:02:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 06:02:53,161 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:53,161 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:53,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 06:02:53,162 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:53,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:53,162 INFO L85 PathProgramCache]: Analyzing trace with hash 286961737, now seen corresponding path program 1 times [2025-01-10 06:02:53,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:53,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106541558] [2025-01-10 06:02:53,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:53,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:02:53,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:02:53,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:53,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 06:02:54,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:54,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106541558] [2025-01-10 06:02:54,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106541558] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:02:54,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621522975] [2025-01-10 06:02:54,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:54,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:54,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:54,099 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:02:54,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 06:02:54,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:02:54,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:02:54,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:54,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:54,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 06:02:54,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:02:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 06:02:54,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:02:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 06:02:54,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621522975] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:02:54,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:02:54,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-01-10 06:02:54,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809794080] [2025-01-10 06:02:54,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:02:54,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:02:54,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:54,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:02:54,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:02:54,994 INFO L87 Difference]: Start difference. First operand 585 states and 830 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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) [2025-01-10 06:02:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:55,113 INFO L93 Difference]: Finished difference Result 1172 states and 1668 transitions. [2025-01-10 06:02:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 06:02:55,114 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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 30 [2025-01-10 06:02:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:55,117 INFO L225 Difference]: With dead ends: 1172 [2025-01-10 06:02:55,117 INFO L226 Difference]: Without dead ends: 602 [2025-01-10 06:02:55,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:02:55,118 INFO L435 NwaCegarLoop]: 803 mSDtfsCounter, 5 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:55,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4007 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:02:55,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-01-10 06:02:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2025-01-10 06:02:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 531 states have (on average 1.5047080979284368) internal successors, (799), 574 states have internal predecessors, (799), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 847 transitions. [2025-01-10 06:02:55,134 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 847 transitions. Word has length 30 [2025-01-10 06:02:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:55,134 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 847 transitions. [2025-01-10 06:02:55,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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) [2025-01-10 06:02:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 847 transitions. [2025-01-10 06:02:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 06:02:55,135 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:55,135 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] [2025-01-10 06:02:55,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 06:02:55,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-01-10 06:02:55,336 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:55,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:55,336 INFO L85 PathProgramCache]: Analyzing trace with hash -229280311, now seen corresponding path program 1 times [2025-01-10 06:02:55,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:55,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219159548] [2025-01-10 06:02:55,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:55,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:55,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 06:02:55,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 06:02:55,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:55,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-01-10 06:02:55,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:55,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219159548] [2025-01-10 06:02:55,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219159548] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:55,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:55,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:02:55,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725949296] [2025-01-10 06:02:55,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:55,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:55,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:55,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:55,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:02:55,762 INFO L87 Difference]: Start difference. First operand 602 states and 847 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) [2025-01-10 06:02:55,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:55,809 INFO L93 Difference]: Finished difference Result 614 states and 861 transitions. [2025-01-10 06:02:55,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:55,810 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 [2025-01-10 06:02:55,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:55,813 INFO L225 Difference]: With dead ends: 614 [2025-01-10 06:02:55,813 INFO L226 Difference]: Without dead ends: 612 [2025-01-10 06:02:55,813 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 [2025-01-10 06:02:55,815 INFO L435 NwaCegarLoop]: 806 mSDtfsCounter, 2 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:55,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1608 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2025-01-10 06:02:55,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 611. [2025-01-10 06:02:55,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 540 states have (on average 1.5018518518518518) internal successors, (811), 583 states have internal predecessors, (811), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 859 transitions. [2025-01-10 06:02:55,832 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 859 transitions. Word has length 48 [2025-01-10 06:02:55,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:55,833 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 859 transitions. [2025-01-10 06:02:55,833 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) [2025-01-10 06:02:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 859 transitions. [2025-01-10 06:02:55,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 06:02:55,836 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:55,836 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:55,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 06:02:55,837 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:55,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:55,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1482239338, now seen corresponding path program 1 times [2025-01-10 06:02:55,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:55,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018794923] [2025-01-10 06:02:55,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:55,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:56,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 06:02:56,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 06:02:56,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:56,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-01-10 06:02:56,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:56,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018794923] [2025-01-10 06:02:56,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018794923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:56,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:56,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:02:56,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798972177] [2025-01-10 06:02:56,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:56,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:56,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:56,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:56,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:02:56,213 INFO L87 Difference]: Start difference. First operand 611 states and 859 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:02:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:56,242 INFO L93 Difference]: Finished difference Result 611 states and 859 transitions. [2025-01-10 06:02:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:56,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-01-10 06:02:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:56,245 INFO L225 Difference]: With dead ends: 611 [2025-01-10 06:02:56,245 INFO L226 Difference]: Without dead ends: 610 [2025-01-10 06:02:56,245 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 [2025-01-10 06:02:56,245 INFO L435 NwaCegarLoop]: 807 mSDtfsCounter, 0 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:56,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1611 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2025-01-10 06:02:56,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 606. [2025-01-10 06:02:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 536 states have (on average 1.501865671641791) internal successors, (805), 578 states have internal predecessors, (805), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 853 transitions. [2025-01-10 06:02:56,262 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 853 transitions. Word has length 49 [2025-01-10 06:02:56,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:56,263 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 853 transitions. [2025-01-10 06:02:56,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:02:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 853 transitions. [2025-01-10 06:02:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 06:02:56,264 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:56,264 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:56,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 06:02:56,265 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:56,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:56,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1653914651, now seen corresponding path program 1 times [2025-01-10 06:02:56,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:56,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254951433] [2025-01-10 06:02:56,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:56,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:56,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 06:02:56,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 06:02:56,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:56,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:02:56,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:56,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254951433] [2025-01-10 06:02:56,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254951433] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:02:56,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678268382] [2025-01-10 06:02:56,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:56,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:02:56,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 06:02:57,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 06:02:57,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 06:02:57,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:57,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:57,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 1851 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:02:57,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:02:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:02:57,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:02:57,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678268382] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:57,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:02:57,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:02:57,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856496572] [2025-01-10 06:02:57,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:57,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:02:57,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:57,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:02:57,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:57,477 INFO L87 Difference]: Start difference. First operand 606 states and 853 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2025-01-10 06:02:57,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:57,570 INFO L93 Difference]: Finished difference Result 909 states and 1298 transitions. [2025-01-10 06:02:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:02:57,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2025-01-10 06:02:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:57,576 INFO L225 Difference]: With dead ends: 909 [2025-01-10 06:02:57,576 INFO L226 Difference]: Without dead ends: 908 [2025-01-10 06:02:57,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:57,578 INFO L435 NwaCegarLoop]: 1236 mSDtfsCounter, 835 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:57,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 2037 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:02:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2025-01-10 06:02:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 605. [2025-01-10 06:02:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 536 states have (on average 1.5) internal successors, (804), 577 states have internal predecessors, (804), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 852 transitions. [2025-01-10 06:02:57,597 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 852 transitions. Word has length 50 [2025-01-10 06:02:57,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:57,598 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 852 transitions. [2025-01-10 06:02:57,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2025-01-10 06:02:57,598 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 852 transitions. [2025-01-10 06:02:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 06:02:57,599 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:57,599 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:57,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 06:02:57,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 06:02:57,800 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:57,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash 268253732, now seen corresponding path program 1 times [2025-01-10 06:02:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375364471] [2025-01-10 06:02:57,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:58,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 06:02:58,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 06:02:58,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:58,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:02:58,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:58,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375364471] [2025-01-10 06:02:58,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375364471] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:02:58,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603982958] [2025-01-10 06:02:58,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:58,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:58,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:58,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:02:58,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 06:02:59,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 06:02:59,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 06:02:59,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:59,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:59,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:02:59,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:02:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:02:59,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:02:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:02:59,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603982958] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:02:59,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:02:59,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 06:02:59,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829537184] [2025-01-10 06:02:59,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:02:59,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:02:59,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:59,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:02:59,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:02:59,238 INFO L87 Difference]: Start difference. First operand 605 states and 852 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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) [2025-01-10 06:02:59,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:59,417 INFO L93 Difference]: Finished difference Result 1814 states and 2626 transitions. [2025-01-10 06:02:59,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:02:59,417 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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 51 [2025-01-10 06:02:59,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:59,425 INFO L225 Difference]: With dead ends: 1814 [2025-01-10 06:02:59,425 INFO L226 Difference]: Without dead ends: 1813 [2025-01-10 06:02:59,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:02:59,427 INFO L435 NwaCegarLoop]: 801 mSDtfsCounter, 2502 mSDsluCounter, 2841 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:59,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 3642 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:02:59,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2025-01-10 06:02:59,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 617. [2025-01-10 06:02:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 548 states have (on average 1.4945255474452555) internal successors, (819), 589 states have internal predecessors, (819), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:02:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 867 transitions. [2025-01-10 06:02:59,458 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 867 transitions. Word has length 51 [2025-01-10 06:02:59,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:59,459 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 867 transitions. [2025-01-10 06:02:59,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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) [2025-01-10 06:02:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 867 transitions. [2025-01-10 06:02:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 06:02:59,459 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:59,459 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:59,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 06:02:59,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 06:02:59,663 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:02:59,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:59,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1081988008, now seen corresponding path program 1 times [2025-01-10 06:02:59,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:59,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143710099] [2025-01-10 06:02:59,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:59,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:59,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 06:02:59,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 06:02:59,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:59,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:03:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-10 06:03:00,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:03:00,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143710099] [2025-01-10 06:03:00,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143710099] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:03:00,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827025086] [2025-01-10 06:03:00,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:03:00,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:03:00,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:03:00,164 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:03:00,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 06:03:00,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 06:03:00,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 06:03:00,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:03:00,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:03:00,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 1876 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:03:00,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:03:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-10 06:03:00,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:03:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-10 06:03:01,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827025086] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:03:01,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:03:01,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 06:03:01,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475155753] [2025-01-10 06:03:01,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:03:01,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:03:01,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:03:01,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:03:01,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:03:01,008 INFO L87 Difference]: Start difference. First operand 617 states and 867 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:03:01,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:03:01,054 INFO L93 Difference]: Finished difference Result 1209 states and 1711 transitions. [2025-01-10 06:03:01,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:03:01,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-01-10 06:03:01,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:03:01,056 INFO L225 Difference]: With dead ends: 1209 [2025-01-10 06:03:01,056 INFO L226 Difference]: Without dead ends: 635 [2025-01-10 06:03:01,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:03:01,057 INFO L435 NwaCegarLoop]: 806 mSDtfsCounter, 4 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:03:01,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2412 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:03:01,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2025-01-10 06:03:01,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2025-01-10 06:03:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 566 states have (on average 1.4787985865724382) internal successors, (837), 607 states have internal predecessors, (837), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:03:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 885 transitions. [2025-01-10 06:03:01,072 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 885 transitions. Word has length 55 [2025-01-10 06:03:01,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:03:01,073 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 885 transitions. [2025-01-10 06:03:01,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:03:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 885 transitions. [2025-01-10 06:03:01,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 06:03:01,073 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:03:01,073 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:03:01,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 06:03:01,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:03:01,275 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:03:01,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:03:01,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1003507942, now seen corresponding path program 1 times [2025-01-10 06:03:01,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:03:01,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106886431] [2025-01-10 06:03:01,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:03:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:03:01,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 06:03:01,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 06:03:01,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:03:01,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:03:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:03:01,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:03:01,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106886431] [2025-01-10 06:03:01,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106886431] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:03:01,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:03:01,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:03:01,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681169509] [2025-01-10 06:03:01,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:03:01,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:03:01,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:03:01,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:03:01,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:03:01,675 INFO L87 Difference]: Start difference. First operand 635 states and 885 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:03:01,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:03:01,784 INFO L93 Difference]: Finished difference Result 1267 states and 1798 transitions. [2025-01-10 06:03:01,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:03:01,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2025-01-10 06:03:01,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:03:01,787 INFO L225 Difference]: With dead ends: 1267 [2025-01-10 06:03:01,787 INFO L226 Difference]: Without dead ends: 732 [2025-01-10 06:03:01,788 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 [2025-01-10 06:03:01,788 INFO L435 NwaCegarLoop]: 845 mSDtfsCounter, 120 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:03:01,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1582 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:03:01,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2025-01-10 06:03:01,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 678. [2025-01-10 06:03:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 608 states have (on average 1.4703947368421053) internal successors, (894), 649 states have internal predecessors, (894), 28 states have call successors, (28), 9 states have call predecessors, (28), 8 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 06:03:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 944 transitions. [2025-01-10 06:03:01,803 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 944 transitions. Word has length 60 [2025-01-10 06:03:01,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:03:01,803 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 944 transitions. [2025-01-10 06:03:01,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:03:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 944 transitions. [2025-01-10 06:03:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 06:03:01,804 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:03:01,804 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:03:01,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 06:03:01,804 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:03:01,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:03:01,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1996496372, now seen corresponding path program 1 times [2025-01-10 06:03:01,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:03:01,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996977745] [2025-01-10 06:03:01,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:03:01,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:03:02,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 06:03:02,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 06:03:02,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:03:02,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:03:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:03:02,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:03:02,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996977745] [2025-01-10 06:03:02,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996977745] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:03:02,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:03:02,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:03:02,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864320616] [2025-01-10 06:03:02,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:03:02,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:03:02,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:03:02,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:03:02,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:03:02,144 INFO L87 Difference]: Start difference. First operand 678 states and 944 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:03:02,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:03:02,168 INFO L93 Difference]: Finished difference Result 680 states and 944 transitions. [2025-01-10 06:03:02,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:03:02,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2025-01-10 06:03:02,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:03:02,171 INFO L225 Difference]: With dead ends: 680 [2025-01-10 06:03:02,171 INFO L226 Difference]: Without dead ends: 678 [2025-01-10 06:03:02,171 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 [2025-01-10 06:03:02,172 INFO L435 NwaCegarLoop]: 807 mSDtfsCounter, 1 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:03:02,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1608 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:03:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2025-01-10 06:03:02,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2025-01-10 06:03:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 608 states have (on average 1.4671052631578947) internal successors, (892), 649 states have internal predecessors, (892), 28 states have call successors, (28), 9 states have call predecessors, (28), 8 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 06:03:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 942 transitions. [2025-01-10 06:03:02,186 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 942 transitions. Word has length 62 [2025-01-10 06:03:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:03:02,186 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 942 transitions. [2025-01-10 06:03:02,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:03:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 942 transitions. [2025-01-10 06:03:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-10 06:03:02,187 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:03:02,187 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:03:02,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 06:03:02,187 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:03:02,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:03:02,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1542228147, now seen corresponding path program 2 times [2025-01-10 06:03:02,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:03:02,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265622509] [2025-01-10 06:03:02,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:03:02,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:03:02,456 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-01-10 06:03:02,535 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 63 statements. [2025-01-10 06:03:02,536 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:03:02,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:03:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-01-10 06:03:02,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:03:02,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265622509] [2025-01-10 06:03:02,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265622509] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:03:02,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:03:02,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 06:03:02,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543933548] [2025-01-10 06:03:02,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:03:02,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:03:02,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:03:02,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:03:02,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:03:02,771 INFO L87 Difference]: Start difference. First operand 678 states and 942 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2025-01-10 06:03:02,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:03:02,920 INFO L93 Difference]: Finished difference Result 1284 states and 1806 transitions. [2025-01-10 06:03:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:03:02,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 63 [2025-01-10 06:03:02,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:03:02,923 INFO L225 Difference]: With dead ends: 1284 [2025-01-10 06:03:02,923 INFO L226 Difference]: Without dead ends: 678 [2025-01-10 06:03:02,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:03:02,924 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 727 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 3139 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:03:02,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 3139 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:03:02,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2025-01-10 06:03:02,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2025-01-10 06:03:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 608 states have (on average 1.4654605263157894) internal successors, (891), 649 states have internal predecessors, (891), 28 states have call successors, (28), 9 states have call predecessors, (28), 8 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 06:03:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 941 transitions. [2025-01-10 06:03:02,941 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 941 transitions. Word has length 63 [2025-01-10 06:03:02,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:03:02,941 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 941 transitions. [2025-01-10 06:03:02,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2025-01-10 06:03:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 941 transitions. [2025-01-10 06:03:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 06:03:02,942 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:03:02,942 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:03:02,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 06:03:02,943 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2025-01-10 06:03:02,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:03:02,943 INFO L85 PathProgramCache]: Analyzing trace with hash 690009952, now seen corresponding path program 2 times [2025-01-10 06:03:02,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:03:02,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917641922] [2025-01-10 06:03:02,944 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:03:02,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:03:03,185 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes. [2025-01-10 06:03:03,262 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 06:03:03,263 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:03:03,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:03:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-01-10 06:03:03,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:03:03,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917641922] [2025-01-10 06:03:03,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917641922] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:03:03,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163392216] [2025-01-10 06:03:03,454 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:03:03,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:03:03,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:03:03,457 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:03:03,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 06:03:04,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes.