./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/date-2.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/date-2.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 80c7b6107f3935683fbc3b7d43483be251c1410268fc571567bcef3f2dae4b3e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:00:51,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:00:52,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 06:00:52,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:00:52,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:00:52,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:00:52,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:00:52,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:00:52,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:00:52,047 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:00:52,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:00:52,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:00:52,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:00:52,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:00:52,049 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:00:52,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:00:52,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:00:52,050 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:00:52,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:00:52,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:00:52,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:00:52,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:00:52,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:00:52,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:00:52,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:00:52,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:00:52,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:00:52,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:00:52,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:00:52,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:00:52,052 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:00:52,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:00:52,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:00:52,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:00:52,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:00:52,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:00:52,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:00:52,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:00:52,053 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 -> 80c7b6107f3935683fbc3b7d43483be251c1410268fc571567bcef3f2dae4b3e [2025-01-10 06:00:52,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:00:52,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:00:52,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:00:52,327 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:00:52,328 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:00:52,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/date-2.i [2025-01-10 06:00:53,657 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fabd6aad7/af8ad73aa76447b3ac3a7f518819dd06/FLAGa0a9490e4 [2025-01-10 06:00:54,042 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:00:54,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/date-2.i [2025-01-10 06:00:54,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fabd6aad7/af8ad73aa76447b3ac3a7f518819dd06/FLAGa0a9490e4 [2025-01-10 06:00:54,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fabd6aad7/af8ad73aa76447b3ac3a7f518819dd06 [2025-01-10 06:00:54,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:00:54,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:00:54,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:00:54,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:00:54,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:00:54,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:00:54" (1/1) ... [2025-01-10 06:00:54,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5deddda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:54, skipping insertion in model container [2025-01-10 06:00:54,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:00:54" (1/1) ... [2025-01-10 06:00:54,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:00:55,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:00:55,562 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:00:55,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:00:56,060 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 06:00:56,077 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:00:56,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56 WrapperNode [2025-01-10 06:00:56,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:00:56,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:00:56,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:00:56,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:00:56,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,683 INFO L138 Inliner]: procedures = 649, calls = 9400, calls flagged for inlining = 35, calls inlined = 34, statements flattened = 11429 [2025-01-10 06:00:56,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:00:56,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:00:56,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:00:56,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:00:56,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,752 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 06:00:56,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,911 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:56,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:57,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:57,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:00:57,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:00:57,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:00:57,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:00:57,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (1/1) ... [2025-01-10 06:00:57,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:00:57,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:00:57,117 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 06:00:57,120 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 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure strptime [2025-01-10 06:00:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure strptime [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2025-01-10 06:00:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-10 06:00:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2025-01-10 06:00:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_set_utc [2025-01-10 06:00:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_set_utc [2025-01-10 06:00:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-10 06:00:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 06:00:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 06:00:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-10 06:00:57,619 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:00:57,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:01:24,839 INFO L? ?]: Removed 1008 outVars from TransFormulas that were not future-live. [2025-01-10 06:01:24,840 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:01:24,869 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:01:24,869 INFO L312 CfgBuilder]: Removed 29 assume(true) statements. [2025-01-10 06:01:24,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:01:24 BoogieIcfgContainer [2025-01-10 06:01:24,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:01:24,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:01:24,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:01:24,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:01:24,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:00:54" (1/3) ... [2025-01-10 06:01:24,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad99aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:01:24, skipping insertion in model container [2025-01-10 06:01:24,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:00:56" (2/3) ... [2025-01-10 06:01:24,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad99aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:01:24, skipping insertion in model container [2025-01-10 06:01:24,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:01:24" (3/3) ... [2025-01-10 06:01:24,879 INFO L128 eAbstractionObserver]: Analyzing ICFG date-2.i [2025-01-10 06:01:24,889 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:01:24,893 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG date-2.i that has 15 procedures, 897 locations, 1 initial locations, 32 loop locations, and 128 error locations. [2025-01-10 06:01:24,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:01:24,965 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;@69ab16c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:01:24,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2025-01-10 06:01:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 897 states, 691 states have (on average 1.6555716353111434) internal successors, (1144), 828 states have internal predecessors, (1144), 63 states have call successors, (63), 14 states have call predecessors, (63), 14 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-01-10 06:01:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 06:01:24,978 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:01:24,978 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 06:01:24,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2025-01-10 06:01:24,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:01:24,984 INFO L85 PathProgramCache]: Analyzing trace with hash 13700996, now seen corresponding path program 1 times [2025-01-10 06:01:24,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:01:24,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580492172] [2025-01-10 06:01:24,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:01:24,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:01:33,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 06:01:34,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 06:01:34,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:01:34,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:01:35,751 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 06:01:35,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:01:35,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580492172] [2025-01-10 06:01:35,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580492172] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:01:35,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:01:35,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:01:35,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406221332] [2025-01-10 06:01:35,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:01:35,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:01:35,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:01:35,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:01:35,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:01:35,777 INFO L87 Difference]: Start difference. First operand has 897 states, 691 states have (on average 1.6555716353111434) internal successors, (1144), 828 states have internal predecessors, (1144), 63 states have call successors, (63), 14 states have call predecessors, (63), 14 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) 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 06:01:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:01:35,997 INFO L93 Difference]: Finished difference Result 1685 states and 2449 transitions. [2025-01-10 06:01:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:01:35,999 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 06:01:35,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:01:36,017 INFO L225 Difference]: With dead ends: 1685 [2025-01-10 06:01:36,018 INFO L226 Difference]: Without dead ends: 787 [2025-01-10 06:01:36,031 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 06:01:36,033 INFO L435 NwaCegarLoop]: 1092 mSDtfsCounter, 1 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2179 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 06:01:36,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2179 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:01:36,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2025-01-10 06:01:36,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 787. [2025-01-10 06:01:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 619 states have (on average 1.5961227786752827) internal successors, (988), 729 states have internal predecessors, (988), 58 states have call successors, (58), 14 states have call predecessors, (58), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 06:01:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1092 transitions. [2025-01-10 06:01:36,120 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1092 transitions. Word has length 4 [2025-01-10 06:01:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:01:36,120 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1092 transitions. [2025-01-10 06:01:36,120 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 06:01:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1092 transitions. [2025-01-10 06:01:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 06:01:36,121 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:01:36,121 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-01-10 06:01:36,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:01:36,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2025-01-10 06:01:36,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:01:36,122 INFO L85 PathProgramCache]: Analyzing trace with hash 144930405, now seen corresponding path program 1 times [2025-01-10 06:01:36,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:01:36,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676567620] [2025-01-10 06:01:36,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:01:36,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:01:43,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:01:43,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:01:43,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:01:43,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:01:44,391 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 06:01:44,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:01:44,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676567620] [2025-01-10 06:01:44,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676567620] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:01:44,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066317358] [2025-01-10 06:01:44,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:01:44,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:01:44,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:01:44,397 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 06:01:44,401 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 06:01:51,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:01:53,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:01:53,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:01:53,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:01:53,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 18682 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:01:53,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:01:54,115 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 06:01:54,115 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:01:54,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066317358] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:01:54,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:01:54,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:01:54,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099712916] [2025-01-10 06:01:54,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:01:54,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:01:54,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:01:54,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:01:54,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:01:54,117 INFO L87 Difference]: Start difference. First operand 787 states and 1092 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 06:01:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:01:54,248 INFO L93 Difference]: Finished difference Result 787 states and 1092 transitions. [2025-01-10 06:01:54,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:01:54,249 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 06:01:54,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:01:54,252 INFO L225 Difference]: With dead ends: 787 [2025-01-10 06:01:54,252 INFO L226 Difference]: Without dead ends: 786 [2025-01-10 06:01:54,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:01:54,253 INFO L435 NwaCegarLoop]: 1083 mSDtfsCounter, 1 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:01:54,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2165 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:01:54,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2025-01-10 06:01:54,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2025-01-10 06:01:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 619 states have (on average 1.5945072697899838) internal successors, (987), 728 states have internal predecessors, (987), 58 states have call successors, (58), 14 states have call predecessors, (58), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 06:01:54,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1091 transitions. [2025-01-10 06:01:54,273 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1091 transitions. Word has length 7 [2025-01-10 06:01:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:01:54,273 INFO L471 AbstractCegarLoop]: Abstraction has 786 states and 1091 transitions. [2025-01-10 06:01:54,274 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 06:01:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1091 transitions. [2025-01-10 06:01:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:01:54,274 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:01:54,274 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-01-10 06:01:54,325 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 06:01:54,478 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 06:01:54,479 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2025-01-10 06:01:54,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:01:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash 197875714, now seen corresponding path program 1 times [2025-01-10 06:01:54,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:01:54,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757403610] [2025-01-10 06:01:54,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:01:54,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:01,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:02:01,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:02:01,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:01,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:02,252 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 06:02:02,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:02,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757403610] [2025-01-10 06:02:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757403610] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:02,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:02:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:02:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167890845] [2025-01-10 06:02:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:02,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:02,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:02,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:02,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:02:02,253 INFO L87 Difference]: Start difference. First operand 786 states and 1091 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 06:02:02,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:02,317 INFO L93 Difference]: Finished difference Result 786 states and 1091 transitions. [2025-01-10 06:02:02,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:02,317 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 06:02:02,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:02,321 INFO L225 Difference]: With dead ends: 786 [2025-01-10 06:02:02,322 INFO L226 Difference]: Without dead ends: 785 [2025-01-10 06:02:02,322 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 06:02:02,323 INFO L435 NwaCegarLoop]: 1084 mSDtfsCounter, 0 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2166 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 06:02:02,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2166 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:02:02,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2025-01-10 06:02:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2025-01-10 06:02:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 617 states have (on average 1.5948136142625609) internal successors, (984), 725 states have internal predecessors, (984), 58 states have call successors, (58), 14 states have call predecessors, (58), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 06:02:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1088 transitions. [2025-01-10 06:02:02,349 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1088 transitions. Word has length 8 [2025-01-10 06:02:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:02,349 INFO L471 AbstractCegarLoop]: Abstraction has 783 states and 1088 transitions. [2025-01-10 06:02:02,349 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 06:02:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1088 transitions. [2025-01-10 06:02:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 06:02:02,350 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:02,350 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:02,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:02:02,350 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2025-01-10 06:02:02,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:02,351 INFO L85 PathProgramCache]: Analyzing trace with hash 392730036, now seen corresponding path program 1 times [2025-01-10 06:02:02,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:02,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804416627] [2025-01-10 06:02:02,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:02,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:09,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:02:09,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:02:09,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:09,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:10,536 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 06:02:10,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:02:10,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804416627] [2025-01-10 06:02:10,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804416627] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:02:10,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742414768] [2025-01-10 06:02:10,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:10,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:02:10,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:02:10,539 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 06:02:10,541 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 06:02:17,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:02:19,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:02:19,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:19,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:02:19,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 18699 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:02:19,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:02:20,007 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 06:02:20,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:02:20,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742414768] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:02:20,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:02:20,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 06:02:20,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427878490] [2025-01-10 06:02:20,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:02:20,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:02:20,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:02:20,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:02:20,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:20,010 INFO L87 Difference]: Start difference. First operand 783 states and 1088 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 06:02:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:02:20,135 INFO L93 Difference]: Finished difference Result 783 states and 1088 transitions. [2025-01-10 06:02:20,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:02:20,136 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 06:02:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:02:20,139 INFO L225 Difference]: With dead ends: 783 [2025-01-10 06:02:20,139 INFO L226 Difference]: Without dead ends: 781 [2025-01-10 06:02:20,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:02:20,140 INFO L435 NwaCegarLoop]: 1076 mSDtfsCounter, 870 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:02:20,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 1252 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:02:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2025-01-10 06:02:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2025-01-10 06:02:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 617 states have (on average 1.5915721231766613) internal successors, (982), 723 states have internal predecessors, (982), 58 states have call successors, (58), 14 states have call predecessors, (58), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 06:02:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1086 transitions. [2025-01-10 06:02:20,158 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1086 transitions. Word has length 12 [2025-01-10 06:02:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:02:20,159 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1086 transitions. [2025-01-10 06:02:20,159 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 06:02:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1086 transitions. [2025-01-10 06:02:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 06:02:20,160 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:02:20,160 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:02:20,216 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 06:02:20,364 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 06:02:20,364 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2025-01-10 06:02:20,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:02:20,364 INFO L85 PathProgramCache]: Analyzing trace with hash -710270310, now seen corresponding path program 1 times [2025-01-10 06:02:20,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:02:20,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995369528] [2025-01-10 06:02:20,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:02:20,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:02:27,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:02:28,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:02:28,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:02:28,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat