./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/tee-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/tee-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 5840b84a3081e97c556462e79494d7bdbd67c33b7e35e6dce1209017cae26b3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:05:37,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:05:37,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 06:05:37,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:05:37,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:05:37,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:05:37,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:05:37,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:05:37,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:05:37,374 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:05:37,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:05:37,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:05:37,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:05:37,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:05:37,375 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:05:37,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:05:37,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:05:37,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:05:37,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:05:37,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:05:37,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:05:37,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:37,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:37,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:05:37,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:05:37,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:05:37,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:05:37,378 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 -> 5840b84a3081e97c556462e79494d7bdbd67c33b7e35e6dce1209017cae26b3d [2025-01-10 06:05:37,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:05:37,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:05:37,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:05:37,593 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:05:37,593 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:05:37,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tee-1.i [2025-01-10 06:05:38,841 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f4de6e3aa/7459b88d6f3846fbbb8919b8513240cf/FLAG6798cb297 [2025-01-10 06:05:39,453 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:05:39,455 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tee-1.i [2025-01-10 06:05:39,491 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f4de6e3aa/7459b88d6f3846fbbb8919b8513240cf/FLAG6798cb297 [2025-01-10 06:05:39,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f4de6e3aa/7459b88d6f3846fbbb8919b8513240cf [2025-01-10 06:05:39,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:05:39,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:05:39,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:05:39,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:05:39,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:05:39,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:05:39" (1/1) ... [2025-01-10 06:05:39,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39718001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:39, skipping insertion in model container [2025-01-10 06:05:39,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:05:39" (1/1) ... [2025-01-10 06:05:39,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:05:40,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:05:40,610 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:05:40,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:05:41,055 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 06:05:41,061 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:05:41,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41 WrapperNode [2025-01-10 06:05:41,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:05:41,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:05:41,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:05:41,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:05:41,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,496 INFO L138 Inliner]: procedures = 575, calls = 8940, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 10183 [2025-01-10 06:05:41,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:05:41,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:05:41,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:05:41,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:05:41,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,555 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 06:05:41,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,739 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:05:41,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:05:41,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:05:41,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:05:41,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (1/1) ... [2025-01-10 06:05:41,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:41,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:05:41,886 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 06:05:41,889 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 06:05:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:05:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2025-01-10 06:05:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2025-01-10 06:05:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-10 06:05:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-10 06:05:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-10 06:05:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-10 06:05:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-10 06:05:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:05:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:05:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 06:05:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:05:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:05:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 06:05:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 06:05:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-01-10 06:05:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-10 06:05:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 06:05:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-10 06:05:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-10 06:05:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 06:05:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 06:05:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-10 06:05:42,301 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:05:42,304 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:06:01,785 INFO L? ?]: Removed 633 outVars from TransFormulas that were not future-live. [2025-01-10 06:06:01,786 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:06:01,809 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:06:01,811 INFO L312 CfgBuilder]: Removed 32 assume(true) statements. [2025-01-10 06:06:01,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:06:01 BoogieIcfgContainer [2025-01-10 06:06:01,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:06:01,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:06:01,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:06:01,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:06:01,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:05:39" (1/3) ... [2025-01-10 06:06:01,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6432a8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:06:01, skipping insertion in model container [2025-01-10 06:06:01,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:41" (2/3) ... [2025-01-10 06:06:01,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6432a8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:06:01, skipping insertion in model container [2025-01-10 06:06:01,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:06:01" (3/3) ... [2025-01-10 06:06:01,823 INFO L128 eAbstractionObserver]: Analyzing ICFG tee-1.i [2025-01-10 06:06:01,834 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:06:01,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG tee-1.i that has 8 procedures, 538 locations, 1 initial locations, 36 loop locations, and 75 error locations. [2025-01-10 06:06:01,899 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:06:01,907 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;@4ec107b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:06:01,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2025-01-10 06:06:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 538 states, 432 states have (on average 1.6643518518518519) internal successors, (719), 509 states have internal predecessors, (719), 23 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 06:06:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 06:06:01,921 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:01,921 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 06:06:01,922 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 72 more)] === [2025-01-10 06:06:01,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:01,926 INFO L85 PathProgramCache]: Analyzing trace with hash 9175748, now seen corresponding path program 1 times [2025-01-10 06:06:01,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:01,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388865068] [2025-01-10 06:06:01,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:01,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:05,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 06:06:05,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 06:06:05,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:05,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:07,239 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 06:06:07,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:07,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388865068] [2025-01-10 06:06:07,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388865068] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:06:07,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:06:07,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:06:07,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429968643] [2025-01-10 06:06:07,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:06:07,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:06:07,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:07,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:06:07,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:06:07,262 INFO L87 Difference]: Start difference. First operand has 538 states, 432 states have (on average 1.6643518518518519) internal successors, (719), 509 states have internal predecessors, (719), 23 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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 06:06:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:07,388 INFO L93 Difference]: Finished difference Result 923 states and 1338 transitions. [2025-01-10 06:06:07,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:06:07,390 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 06:06:07,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:07,401 INFO L225 Difference]: With dead ends: 923 [2025-01-10 06:06:07,402 INFO L226 Difference]: Without dead ends: 387 [2025-01-10 06:06:07,408 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 06:06:07,411 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 1 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:06:07,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1058 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:06:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-01-10 06:06:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2025-01-10 06:06:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 323 states have (on average 1.5758513931888545) internal successors, (509), 369 states have internal predecessors, (509), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 534 transitions. [2025-01-10 06:06:07,471 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 534 transitions. Word has length 4 [2025-01-10 06:06:07,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:07,472 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 534 transitions. [2025-01-10 06:06:07,472 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 06:06:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 534 transitions. [2025-01-10 06:06:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 06:06:07,473 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:07,473 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-01-10 06:06:07,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:06:07,474 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 72 more)] === [2025-01-10 06:06:07,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:07,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1522892558, now seen corresponding path program 1 times [2025-01-10 06:06:07,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:07,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364851774] [2025-01-10 06:06:07,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:07,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:11,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:06:11,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:06:11,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:11,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:12,932 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 06:06:12,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:12,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364851774] [2025-01-10 06:06:12,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364851774] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:06:12,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744974063] [2025-01-10 06:06:12,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:12,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:06:12,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:06:12,941 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 06:06:12,943 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 06:06:16,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:06:19,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:06:19,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:19,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:19,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 17849 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:06:19,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:06:19,300 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 06:06:19,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:06:19,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744974063] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:06:19,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:06:19,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:06:19,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999973285] [2025-01-10 06:06:19,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:06:19,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:06:19,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:19,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:06:19,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:06:19,303 INFO L87 Difference]: Start difference. First operand 387 states and 534 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 06:06:19,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:19,362 INFO L93 Difference]: Finished difference Result 387 states and 534 transitions. [2025-01-10 06:06:19,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:06:19,363 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 06:06:19,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:19,365 INFO L225 Difference]: With dead ends: 387 [2025-01-10 06:06:19,365 INFO L226 Difference]: Without dead ends: 386 [2025-01-10 06:06:19,366 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 06:06:19,366 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 1 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1573 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 06:06:19,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1573 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:06:19,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2025-01-10 06:06:19,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2025-01-10 06:06:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 323 states have (on average 1.5727554179566563) internal successors, (508), 368 states have internal predecessors, (508), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 533 transitions. [2025-01-10 06:06:19,386 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 533 transitions. Word has length 7 [2025-01-10 06:06:19,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:19,386 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 533 transitions. [2025-01-10 06:06:19,386 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 06:06:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 533 transitions. [2025-01-10 06:06:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:06:19,387 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:19,387 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-01-10 06:06:19,436 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 06:06:19,591 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 06:06:19,591 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 72 more)] === [2025-01-10 06:06:19,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:19,591 INFO L85 PathProgramCache]: Analyzing trace with hash 34971266, now seen corresponding path program 1 times [2025-01-10 06:06:19,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:19,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284851996] [2025-01-10 06:06:19,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:19,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:22,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:06:23,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:06:23,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:23,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:24,112 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 06:06:24,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:24,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284851996] [2025-01-10 06:06:24,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284851996] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:06:24,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:06:24,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:06:24,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216431303] [2025-01-10 06:06:24,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:06:24,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:06:24,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:24,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:06:24,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:06:24,114 INFO L87 Difference]: Start difference. First operand 386 states and 533 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 06:06:24,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:24,130 INFO L93 Difference]: Finished difference Result 386 states and 533 transitions. [2025-01-10 06:06:24,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:06:24,131 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 06:06:24,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:24,132 INFO L225 Difference]: With dead ends: 386 [2025-01-10 06:06:24,132 INFO L226 Difference]: Without dead ends: 385 [2025-01-10 06:06:24,132 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 06:06:24,133 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 0 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1050 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 06:06:24,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1050 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:06:24,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2025-01-10 06:06:24,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 383. [2025-01-10 06:06:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 321 states have (on average 1.573208722741433) internal successors, (505), 365 states have internal predecessors, (505), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 530 transitions. [2025-01-10 06:06:24,147 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 530 transitions. Word has length 8 [2025-01-10 06:06:24,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:24,147 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 530 transitions. [2025-01-10 06:06:24,147 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 06:06:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 530 transitions. [2025-01-10 06:06:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 06:06:24,147 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:24,147 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:06:24,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:06:24,151 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 72 more)] === [2025-01-10 06:06:24,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:24,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1820140278, now seen corresponding path program 1 times [2025-01-10 06:06:24,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:24,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797666722] [2025-01-10 06:06:24,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:24,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:27,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:06:27,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:06:27,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:27,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:28,365 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 06:06:28,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:28,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797666722] [2025-01-10 06:06:28,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797666722] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:06:28,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307472998] [2025-01-10 06:06:28,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:28,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:06:28,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:06:28,370 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 06:06:28,372 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 06:06:31,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:06:33,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:06:33,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:33,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:33,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 17866 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:06:33,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:06:33,900 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 06:06:33,900 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:06:33,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307472998] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:06:33,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:06:33,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 06:06:33,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116612678] [2025-01-10 06:06:33,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:06:33,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:06:33,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:33,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:06:33,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:06:33,902 INFO L87 Difference]: Start difference. First operand 383 states and 530 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 06:06:33,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:33,941 INFO L93 Difference]: Finished difference Result 383 states and 530 transitions. [2025-01-10 06:06:33,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:06:33,943 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 06:06:33,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:33,945 INFO L225 Difference]: With dead ends: 383 [2025-01-10 06:06:33,945 INFO L226 Difference]: Without dead ends: 381 [2025-01-10 06:06:33,945 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 06:06:33,946 INFO L435 NwaCegarLoop]: 519 mSDtfsCounter, 464 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:06:33,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 570 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:06:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2025-01-10 06:06:33,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2025-01-10 06:06:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 321 states have (on average 1.5669781931464175) internal successors, (503), 363 states have internal predecessors, (503), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 528 transitions. [2025-01-10 06:06:33,959 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 528 transitions. Word has length 12 [2025-01-10 06:06:33,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:33,960 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 528 transitions. [2025-01-10 06:06:33,960 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 06:06:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 528 transitions. [2025-01-10 06:06:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 06:06:33,961 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:33,961 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:06:34,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 06:06:34,165 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 06:06:34,165 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 72 more)] === [2025-01-10 06:06:34,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash -589773455, now seen corresponding path program 1 times [2025-01-10 06:06:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873824472] [2025-01-10 06:06:34,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:37,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:06:37,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:06:37,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:37,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:38,624 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 06:06:38,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:38,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873824472] [2025-01-10 06:06:38,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873824472] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:06:38,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766383091] [2025-01-10 06:06:38,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:38,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:06:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:06:38,627 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 06:06:38,628 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 06:06:41,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:06:43,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:06:43,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:43,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:43,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 17867 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:06:43,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:06:43,541 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 06:06:43,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:06:43,583 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 06:06:43,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766383091] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:06:43,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:06:43,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 06:06:43,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987072993] [2025-01-10 06:06:43,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:06:43,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:06:43,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:43,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:06:43,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:06:43,585 INFO L87 Difference]: Start difference. First operand 381 states and 528 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 06:06:43,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:43,632 INFO L93 Difference]: Finished difference Result 765 states and 1061 transitions. [2025-01-10 06:06:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:06:43,633 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 06:06:43,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:43,635 INFO L225 Difference]: With dead ends: 765 [2025-01-10 06:06:43,635 INFO L226 Difference]: Without dead ends: 390 [2025-01-10 06:06:43,636 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 06:06:43,636 INFO L435 NwaCegarLoop]: 524 mSDtfsCounter, 4 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1046 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 06:06:43,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1046 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:06:43,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-01-10 06:06:43,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2025-01-10 06:06:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 330 states have (on average 1.5515151515151515) internal successors, (512), 372 states have internal predecessors, (512), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 537 transitions. [2025-01-10 06:06:43,653 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 537 transitions. Word has length 13 [2025-01-10 06:06:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:43,653 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 537 transitions. [2025-01-10 06:06:43,653 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 06:06:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 537 transitions. [2025-01-10 06:06:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 06:06:43,654 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:43,654 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:06:43,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 06:06:43,854 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 06:06:43,855 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 72 more)] === [2025-01-10 06:06:43,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash 204645443, now seen corresponding path program 2 times [2025-01-10 06:06:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:43,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830459448] [2025-01-10 06:06:43,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:06:43,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:47,103 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-10 06:06:47,424 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-01-10 06:06:47,424 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:06:47,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:48,822 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 06:06:48,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:48,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830459448] [2025-01-10 06:06:48,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830459448] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:06:48,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:06:48,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:06:48,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304814621] [2025-01-10 06:06:48,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:06:48,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:06:48,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:48,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:06:48,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:06:48,825 INFO L87 Difference]: Start difference. First operand 390 states and 537 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 06:06:48,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:48,894 INFO L93 Difference]: Finished difference Result 390 states and 537 transitions. [2025-01-10 06:06:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:06:48,894 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 06:06:48,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:48,896 INFO L225 Difference]: With dead ends: 390 [2025-01-10 06:06:48,896 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 06:06:48,897 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 06:06:48,897 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 463 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:06:48,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1591 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:06:48,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 06:06:48,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2025-01-10 06:06:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 330 states have (on average 1.5454545454545454) internal successors, (510), 370 states have internal predecessors, (510), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 535 transitions. [2025-01-10 06:06:48,907 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 535 transitions. Word has length 22 [2025-01-10 06:06:48,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:48,908 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 535 transitions. [2025-01-10 06:06:48,908 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 06:06:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 535 transitions. [2025-01-10 06:06:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 06:06:48,908 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:48,909 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 06:06:48,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:06:48,909 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 72 more)] === [2025-01-10 06:06:48,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:48,909 INFO L85 PathProgramCache]: Analyzing trace with hash 573673504, now seen corresponding path program 1 times [2025-01-10 06:06:48,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:48,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424664972] [2025-01-10 06:06:48,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:48,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:52,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 06:06:52,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 06:06:52,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:52,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:53,050 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 06:06:53,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:53,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424664972] [2025-01-10 06:06:53,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424664972] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:06:53,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:06:53,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:06:53,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277369512] [2025-01-10 06:06:53,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:06:53,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:06:53,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:53,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:06:53,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:06:53,052 INFO L87 Difference]: Start difference. First operand 388 states and 535 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 06:06:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:53,076 INFO L93 Difference]: Finished difference Result 759 states and 1054 transitions. [2025-01-10 06:06:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:06:53,077 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 06:06:53,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:53,079 INFO L225 Difference]: With dead ends: 759 [2025-01-10 06:06:53,079 INFO L226 Difference]: Without dead ends: 391 [2025-01-10 06:06:53,079 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 06:06:53,079 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 1 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1039 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 06:06:53,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1039 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:06:53,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2025-01-10 06:06:53,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2025-01-10 06:06:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 333 states have (on average 1.5405405405405406) internal successors, (513), 373 states have internal predecessors, (513), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 538 transitions. [2025-01-10 06:06:53,087 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 538 transitions. Word has length 27 [2025-01-10 06:06:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:53,087 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 538 transitions. [2025-01-10 06:06:53,087 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 06:06:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 538 transitions. [2025-01-10 06:06:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 06:06:53,088 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:53,088 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 06:06:53,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:06:53,088 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 72 more)] === [2025-01-10 06:06:53,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash 604502350, now seen corresponding path program 1 times [2025-01-10 06:06:53,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:53,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015749202] [2025-01-10 06:06:53,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:06:55,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 06:06:56,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 06:06:56,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:06:56,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:06:56,956 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 06:06:56,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:06:56,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015749202] [2025-01-10 06:06:56,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015749202] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:06:56,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:06:56,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:06:56,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375006270] [2025-01-10 06:06:56,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:06:56,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:06:56,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:06:56,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:06:56,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:06:56,958 INFO L87 Difference]: Start difference. First operand 391 states and 538 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 06:06:57,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:06:57,021 INFO L93 Difference]: Finished difference Result 693 states and 979 transitions. [2025-01-10 06:06:57,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:06:57,021 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 06:06:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:06:57,025 INFO L225 Difference]: With dead ends: 693 [2025-01-10 06:06:57,025 INFO L226 Difference]: Without dead ends: 691 [2025-01-10 06:06:57,025 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 06:06:57,026 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 417 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:06:57,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1026 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:06:57,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-01-10 06:06:57,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 395. [2025-01-10 06:06:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 337 states have (on average 1.5370919881305638) internal successors, (518), 377 states have internal predecessors, (518), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:06:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 543 transitions. [2025-01-10 06:06:57,040 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 543 transitions. Word has length 28 [2025-01-10 06:06:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:06:57,041 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 543 transitions. [2025-01-10 06:06:57,041 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 06:06:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 543 transitions. [2025-01-10 06:06:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 06:06:57,042 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:57,042 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 06:06:57,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 06:06:57,042 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 72 more)] === [2025-01-10 06:06:57,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash 632815437, now seen corresponding path program 1 times [2025-01-10 06:06:57,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:57,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653542827] [2025-01-10 06:06:57,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:57,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:00,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:07:00,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:07:00,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:00,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:01,543 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 06:07:01,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:01,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653542827] [2025-01-10 06:07:01,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653542827] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:01,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454870577] [2025-01-10 06:07:01,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:01,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:01,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:01,547 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 06:07:01,547 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 06:07:04,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:07:07,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:07:07,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:07,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:07,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 18052 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 06:07:07,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:07,448 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 06:07:07,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:07,598 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 06:07:07,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454870577] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:07,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:07,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-01-10 06:07:07,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737102686] [2025-01-10 06:07:07,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:07,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:07:07,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:07,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:07:07,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:07:07,600 INFO L87 Difference]: Start difference. First operand 395 states and 543 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 06:07:07,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:07,809 INFO L93 Difference]: Finished difference Result 792 states and 1094 transitions. [2025-01-10 06:07:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 06:07:07,810 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 06:07:07,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:07,812 INFO L225 Difference]: With dead ends: 792 [2025-01-10 06:07:07,812 INFO L226 Difference]: Without dead ends: 412 [2025-01-10 06:07:07,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:07:07,814 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 5 mSDsluCounter, 3084 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3600 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:07,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3600 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 06:07:07,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-01-10 06:07:07,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2025-01-10 06:07:07,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 355 states have (on average 1.5070422535211268) internal successors, (535), 394 states have internal predecessors, (535), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:07:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 560 transitions. [2025-01-10 06:07:07,828 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 560 transitions. Word has length 30 [2025-01-10 06:07:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:07,828 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 560 transitions. [2025-01-10 06:07:07,828 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 06:07:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 560 transitions. [2025-01-10 06:07:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 06:07:07,830 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:07,830 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 06:07:07,893 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 06:07:08,034 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 06:07:08,034 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 72 more)] === [2025-01-10 06:07:08,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:08,035 INFO L85 PathProgramCache]: Analyzing trace with hash -933135411, now seen corresponding path program 1 times [2025-01-10 06:07:08,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:08,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567905445] [2025-01-10 06:07:08,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:08,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:10,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 06:07:10,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 06:07:10,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:10,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat