./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/wc-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b8000edc920fe8a32bdc36b56c8860a94e8d6d6bafdb81a520b0f73a8e153aaa --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:07:10,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:07:11,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 06:07:11,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:07:11,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:07:11,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:07:11,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:07:11,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:07:11,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:07:11,058 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:07:11,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:07:11,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:07:11,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:07:11,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:07:11,059 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:07:11,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:07:11,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:07:11,060 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:07:11,061 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:07:11,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:07:11,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:07:11,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:07:11,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:07:11,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:07:11,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:07:11,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:07:11,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:07:11,063 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 -> b8000edc920fe8a32bdc36b56c8860a94e8d6d6bafdb81a520b0f73a8e153aaa [2025-01-10 06:07:11,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:07:11,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:07:11,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:07:11,338 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:07:11,338 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:07:11,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2025-01-10 06:07:12,510 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a691fd14/e1d70d366b9e490cad48f14c8fb7ee44/FLAGc6d183449 [2025-01-10 06:07:13,008 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:07:13,008 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2025-01-10 06:07:13,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a691fd14/e1d70d366b9e490cad48f14c8fb7ee44/FLAGc6d183449 [2025-01-10 06:07:13,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a691fd14/e1d70d366b9e490cad48f14c8fb7ee44 [2025-01-10 06:07:13,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:07:13,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:07:13,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:07:13,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:07:13,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:07:13,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:07:13" (1/1) ... [2025-01-10 06:07:13,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12282625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:13, skipping insertion in model container [2025-01-10 06:07:13,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:07:13" (1/1) ... [2025-01-10 06:07:13,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:07:14,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:07:14,055 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:07:14,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:07:14,296 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 06:07:14,301 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:07:14,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14 WrapperNode [2025-01-10 06:07:14,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:07:14,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:07:14,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:07:14,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:07:14,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,414 INFO L138 Inliner]: procedures = 577, calls = 807, calls flagged for inlining = 31, calls inlined = 29, statements flattened = 2169 [2025-01-10 06:07:14,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:07:14,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:07:14,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:07:14,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:07:14,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,437 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 06:07:14,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,494 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:07:14,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:07:14,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:07:14,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:07:14,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (1/1) ... [2025-01-10 06:07:14,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:07:14,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:14,622 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 06:07:14,623 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 06:07:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-10 06:07:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 06:07:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:07:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:07:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 06:07:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 06:07:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-01-10 06:07:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-01-10 06:07:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 06:07:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 06:07:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2025-01-10 06:07:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2025-01-10 06:07:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-10 06:07:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-10 06:07:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 06:07:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 06:07:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:07:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 06:07:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-10 06:07:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-10 06:07:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 06:07:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 06:07:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-10 06:07:15,058 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:07:15,059 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:07:20,783 INFO L? ?]: Removed 645 outVars from TransFormulas that were not future-live. [2025-01-10 06:07:20,784 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:07:20,814 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:07:20,814 INFO L312 CfgBuilder]: Removed 29 assume(true) statements. [2025-01-10 06:07:20,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:07:20 BoogieIcfgContainer [2025-01-10 06:07:20,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:07:20,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:07:20,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:07:20,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:07:20,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:07:13" (1/3) ... [2025-01-10 06:07:20,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b5536a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:07:20, skipping insertion in model container [2025-01-10 06:07:20,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:14" (2/3) ... [2025-01-10 06:07:20,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b5536a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:07:20, skipping insertion in model container [2025-01-10 06:07:20,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:07:20" (3/3) ... [2025-01-10 06:07:20,826 INFO L128 eAbstractionObserver]: Analyzing ICFG wc-2.i [2025-01-10 06:07:20,837 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:07:20,839 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG wc-2.i that has 8 procedures, 575 locations, 1 initial locations, 33 loop locations, and 66 error locations. [2025-01-10 06:07:20,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:07:20,899 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;@724aedb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:07:20,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2025-01-10 06:07:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 575 states, 479 states have (on average 1.649269311064718) internal successors, (790), 547 states have internal predecessors, (790), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 06:07:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 06:07:20,914 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:20,914 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 06:07:20,915 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 63 more)] === [2025-01-10 06:07:20,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash 9083396, now seen corresponding path program 1 times [2025-01-10 06:07:20,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:20,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311973171] [2025-01-10 06:07:20,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:20,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:21,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 06:07:21,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 06:07:21,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:21,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:21,857 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 06:07:21,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:21,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311973171] [2025-01-10 06:07:21,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311973171] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:21,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:21,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:21,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046650232] [2025-01-10 06:07:21,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:21,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:21,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:21,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:21,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:21,880 INFO L87 Difference]: Start difference. First operand has 575 states, 479 states have (on average 1.649269311064718) internal successors, (790), 547 states have internal predecessors, (790), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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 06:07:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:22,019 INFO L93 Difference]: Finished difference Result 1055 states and 1560 transitions. [2025-01-10 06:07:22,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:22,022 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 06:07:22,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:22,033 INFO L225 Difference]: With dead ends: 1055 [2025-01-10 06:07:22,034 INFO L226 Difference]: Without dead ends: 483 [2025-01-10 06:07:22,038 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 06:07:22,041 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 1 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1348 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 06:07:22,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1348 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:22,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-01-10 06:07:22,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2025-01-10 06:07:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 414 states have (on average 1.567632850241546) internal successors, (649), 463 states have internal predecessors, (649), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 680 transitions. [2025-01-10 06:07:22,100 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 680 transitions. Word has length 4 [2025-01-10 06:07:22,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:22,100 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 680 transitions. [2025-01-10 06:07:22,101 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 06:07:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 680 transitions. [2025-01-10 06:07:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 06:07:22,101 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:22,101 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-01-10 06:07:22,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:07:22,102 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 63 more)] === [2025-01-10 06:07:22,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash 20813327, now seen corresponding path program 1 times [2025-01-10 06:07:22,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:22,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703973457] [2025-01-10 06:07:22,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:22,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:22,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:07:22,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:07:22,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:22,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:22,929 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 06:07:22,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:22,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703973457] [2025-01-10 06:07:22,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703973457] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:22,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582364720] [2025-01-10 06:07:22,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:22,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:22,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:22,932 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 06:07:22,934 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 06:07:23,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:07:23,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:07:23,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:23,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:23,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:23,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:23,771 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 06:07:23,771 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:07:23,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582364720] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:23,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:07:23,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:07:23,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051040796] [2025-01-10 06:07:23,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:23,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:07:23,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:23,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:07:23,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:23,774 INFO L87 Difference]: Start difference. First operand 483 states and 680 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 06:07:23,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:23,824 INFO L93 Difference]: Finished difference Result 483 states and 680 transitions. [2025-01-10 06:07:23,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:07:23,832 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 06:07:23,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:23,834 INFO L225 Difference]: With dead ends: 483 [2025-01-10 06:07:23,834 INFO L226 Difference]: Without dead ends: 482 [2025-01-10 06:07:23,837 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 06:07:23,838 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 1 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:23,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1341 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-01-10 06:07:23,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2025-01-10 06:07:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 414 states have (on average 1.565217391304348) internal successors, (648), 462 states have internal predecessors, (648), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 679 transitions. [2025-01-10 06:07:23,854 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 679 transitions. Word has length 7 [2025-01-10 06:07:23,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:23,855 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 679 transitions. [2025-01-10 06:07:23,855 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 06:07:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 679 transitions. [2025-01-10 06:07:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:07:23,855 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:23,855 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-01-10 06:07:23,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 06:07:24,060 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 06:07:24,061 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 63 more)] === [2025-01-10 06:07:24,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:24,061 INFO L85 PathProgramCache]: Analyzing trace with hash 645213442, now seen corresponding path program 1 times [2025-01-10 06:07:24,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:24,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259662309] [2025-01-10 06:07:24,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:24,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:07:24,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:07:24,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:24,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:24,532 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 06:07:24,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:24,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259662309] [2025-01-10 06:07:24,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259662309] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:24,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:24,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:24,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240589859] [2025-01-10 06:07:24,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:24,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:24,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:24,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:24,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:24,533 INFO L87 Difference]: Start difference. First operand 482 states and 679 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 06:07:24,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:24,557 INFO L93 Difference]: Finished difference Result 482 states and 679 transitions. [2025-01-10 06:07:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:24,558 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 06:07:24,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:24,560 INFO L225 Difference]: With dead ends: 482 [2025-01-10 06:07:24,560 INFO L226 Difference]: Without dead ends: 481 [2025-01-10 06:07:24,560 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 06:07:24,561 INFO L435 NwaCegarLoop]: 672 mSDtfsCounter, 0 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1342 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 06:07:24,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1342 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:24,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-01-10 06:07:24,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2025-01-10 06:07:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 412 states have (on average 1.5655339805825244) internal successors, (645), 459 states have internal predecessors, (645), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 676 transitions. [2025-01-10 06:07:24,578 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 676 transitions. Word has length 8 [2025-01-10 06:07:24,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:24,579 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 676 transitions. [2025-01-10 06:07:24,579 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 06:07:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 676 transitions. [2025-01-10 06:07:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 06:07:24,579 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:24,579 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:24,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:07:24,580 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 63 more)] === [2025-01-10 06:07:24,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1684685420, now seen corresponding path program 1 times [2025-01-10 06:07:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:24,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458020298] [2025-01-10 06:07:24,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:24,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:07:24,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:07:24,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:24,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:25,140 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 06:07:25,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:25,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458020298] [2025-01-10 06:07:25,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458020298] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:25,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75586508] [2025-01-10 06:07:25,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:25,143 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 06:07:25,151 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 06:07:25,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:07:25,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:07:25,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:25,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:25,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 1552 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:07:25,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:25,855 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 06:07:25,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:07:25,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75586508] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:25,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:07:25,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 06:07:25,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309087278] [2025-01-10 06:07:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:25,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:25,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:25,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:25,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:25,858 INFO L87 Difference]: Start difference. First operand 479 states and 676 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 06:07:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:25,917 INFO L93 Difference]: Finished difference Result 479 states and 676 transitions. [2025-01-10 06:07:25,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:25,919 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 06:07:25,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:25,923 INFO L225 Difference]: With dead ends: 479 [2025-01-10 06:07:25,925 INFO L226 Difference]: Without dead ends: 477 [2025-01-10 06:07:25,925 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 06:07:25,926 INFO L435 NwaCegarLoop]: 665 mSDtfsCounter, 597 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 725 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 06:07:25,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 725 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:25,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-01-10 06:07:25,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2025-01-10 06:07:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 412 states have (on average 1.5606796116504855) internal successors, (643), 457 states have internal predecessors, (643), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:25,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 674 transitions. [2025-01-10 06:07:25,951 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 674 transitions. Word has length 12 [2025-01-10 06:07:25,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:25,952 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 674 transitions. [2025-01-10 06:07:25,952 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 06:07:25,952 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 674 transitions. [2025-01-10 06:07:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 06:07:25,953 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:25,953 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:25,963 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 06:07:26,153 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 06:07:26,154 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 63 more)] === [2025-01-10 06:07:26,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash -685640156, now seen corresponding path program 1 times [2025-01-10 06:07:26,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:26,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535816312] [2025-01-10 06:07:26,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:26,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:07:26,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:07:26,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:26,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:26,571 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 06:07:26,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:26,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535816312] [2025-01-10 06:07:26,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535816312] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:26,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881024628] [2025-01-10 06:07:26,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:26,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:26,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:26,574 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 06:07:26,575 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 06:07:27,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:07:27,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:07:27,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:27,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:27,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:27,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:27,201 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 06:07:27,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:27,240 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 06:07:27,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881024628] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:27,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:27,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 06:07:27,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598481532] [2025-01-10 06:07:27,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:27,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:07:27,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:27,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:07:27,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:27,241 INFO L87 Difference]: Start difference. First operand 477 states and 674 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 06:07:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:27,298 INFO L93 Difference]: Finished difference Result 957 states and 1353 transitions. [2025-01-10 06:07:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:07:27,299 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 06:07:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:27,301 INFO L225 Difference]: With dead ends: 957 [2025-01-10 06:07:27,301 INFO L226 Difference]: Without dead ends: 486 [2025-01-10 06:07:27,302 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 06:07:27,302 INFO L435 NwaCegarLoop]: 670 mSDtfsCounter, 4 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:27,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2674 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-01-10 06:07:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2025-01-10 06:07:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 421 states have (on average 1.5486935866983373) internal successors, (652), 466 states have internal predecessors, (652), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:27,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 683 transitions. [2025-01-10 06:07:27,316 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 683 transitions. Word has length 13 [2025-01-10 06:07:27,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:27,316 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 683 transitions. [2025-01-10 06:07:27,316 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 06:07:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 683 transitions. [2025-01-10 06:07:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 06:07:27,317 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:27,317 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:27,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 06:07:27,521 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 06:07:27,522 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 63 more)] === [2025-01-10 06:07:27,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:27,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1784240487, now seen corresponding path program 2 times [2025-01-10 06:07:27,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:27,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154184844] [2025-01-10 06:07:27,522 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:27,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:27,829 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-10 06:07:27,860 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-01-10 06:07:27,861 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:07:27,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:28,070 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 06:07:28,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:28,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154184844] [2025-01-10 06:07:28,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154184844] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:28,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:28,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:07:28,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141326] [2025-01-10 06:07:28,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:28,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:07:28,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:28,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:07:28,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:28,072 INFO L87 Difference]: Start difference. First operand 486 states and 683 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 06:07:28,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:28,127 INFO L93 Difference]: Finished difference Result 486 states and 683 transitions. [2025-01-10 06:07:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:07:28,128 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 06:07:28,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:28,130 INFO L225 Difference]: With dead ends: 486 [2025-01-10 06:07:28,130 INFO L226 Difference]: Without dead ends: 484 [2025-01-10 06:07:28,130 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 06:07:28,131 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 596 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 2038 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:28,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 2038 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:28,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-01-10 06:07:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2025-01-10 06:07:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 421 states have (on average 1.5439429928741093) internal successors, (650), 464 states have internal predecessors, (650), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 681 transitions. [2025-01-10 06:07:28,145 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 681 transitions. Word has length 22 [2025-01-10 06:07:28,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:28,145 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 681 transitions. [2025-01-10 06:07:28,145 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 06:07:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 681 transitions. [2025-01-10 06:07:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 06:07:28,145 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:28,145 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 06:07:28,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:07:28,146 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 63 more)] === [2025-01-10 06:07:28,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:28,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1568924743, now seen corresponding path program 1 times [2025-01-10 06:07:28,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:28,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520943223] [2025-01-10 06:07:28,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:28,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:28,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 06:07:28,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 06:07:28,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:28,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:28,594 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 06:07:28,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:28,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520943223] [2025-01-10 06:07:28,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520943223] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:28,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:28,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:28,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101176144] [2025-01-10 06:07:28,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:28,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:28,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:28,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:28,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:28,595 INFO L87 Difference]: Start difference. First operand 484 states and 681 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 06:07:28,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:28,624 INFO L93 Difference]: Finished difference Result 951 states and 1346 transitions. [2025-01-10 06:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:28,624 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 06:07:28,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:28,626 INFO L225 Difference]: With dead ends: 951 [2025-01-10 06:07:28,626 INFO L226 Difference]: Without dead ends: 487 [2025-01-10 06:07:28,627 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 06:07:28,627 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 1 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1331 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 06:07:28,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1331 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:28,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-01-10 06:07:28,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2025-01-10 06:07:28,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 424 states have (on average 1.5400943396226414) internal successors, (653), 467 states have internal predecessors, (653), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 684 transitions. [2025-01-10 06:07:28,637 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 684 transitions. Word has length 27 [2025-01-10 06:07:28,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:28,638 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 684 transitions. [2025-01-10 06:07:28,638 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 06:07:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 684 transitions. [2025-01-10 06:07:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 06:07:28,638 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:28,638 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:28,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:07:28,639 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 63 more)] === [2025-01-10 06:07:28,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:28,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1752553523, now seen corresponding path program 1 times [2025-01-10 06:07:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:28,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726543364] [2025-01-10 06:07:28,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:28,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:07:28,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:07:28,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:28,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:29,035 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 06:07:29,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:29,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726543364] [2025-01-10 06:07:29,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726543364] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:29,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:29,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:29,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453716183] [2025-01-10 06:07:29,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:29,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:29,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:29,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:29,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:29,036 INFO L87 Difference]: Start difference. First operand 487 states and 684 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:29,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:29,081 INFO L93 Difference]: Finished difference Result 792 states and 1129 transitions. [2025-01-10 06:07:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:29,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-10 06:07:29,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:29,084 INFO L225 Difference]: With dead ends: 792 [2025-01-10 06:07:29,084 INFO L226 Difference]: Without dead ends: 790 [2025-01-10 06:07:29,084 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 06:07:29,085 INFO L435 NwaCegarLoop]: 663 mSDtfsCounter, 419 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1318 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 06:07:29,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1318 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:29,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2025-01-10 06:07:29,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 491. [2025-01-10 06:07:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 428 states have (on average 1.5373831775700935) internal successors, (658), 471 states have internal predecessors, (658), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 689 transitions. [2025-01-10 06:07:29,098 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 689 transitions. Word has length 30 [2025-01-10 06:07:29,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:29,098 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 689 transitions. [2025-01-10 06:07:29,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 689 transitions. [2025-01-10 06:07:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 06:07:29,099 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:29,099 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 06:07:29,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 06:07:29,099 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 63 more)] === [2025-01-10 06:07:29,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:29,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2003229219, now seen corresponding path program 1 times [2025-01-10 06:07:29,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:29,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397433170] [2025-01-10 06:07:29,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:29,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:29,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:07:29,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:07:29,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:29,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:29,546 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 06:07:29,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:29,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397433170] [2025-01-10 06:07:29,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397433170] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:29,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557427315] [2025-01-10 06:07:29,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:29,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:29,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:29,549 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 06:07:29,550 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 06:07:30,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:07:30,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:07:30,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:30,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:30,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 06:07:30,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:30,500 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 06:07:30,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:30,711 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 06:07:30,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557427315] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:30,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:30,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-01-10 06:07:30,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340680265] [2025-01-10 06:07:30,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:30,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:07:30,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:30,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:07:30,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:07:30,714 INFO L87 Difference]: Start difference. First operand 491 states and 689 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 06:07:30,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:30,973 INFO L93 Difference]: Finished difference Result 984 states and 1386 transitions. [2025-01-10 06:07:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 06:07:30,974 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 06:07:30,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:30,977 INFO L225 Difference]: With dead ends: 984 [2025-01-10 06:07:30,977 INFO L226 Difference]: Without dead ends: 508 [2025-01-10 06:07:30,978 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 06:07:30,978 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 5 mSDsluCounter, 5280 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:30,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5942 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 06:07:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2025-01-10 06:07:30,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2025-01-10 06:07:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 446 states have (on average 1.5134529147982063) internal successors, (675), 488 states have internal predecessors, (675), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 706 transitions. [2025-01-10 06:07:30,998 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 706 transitions. Word has length 30 [2025-01-10 06:07:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:30,998 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 706 transitions. [2025-01-10 06:07:30,998 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 06:07:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 706 transitions. [2025-01-10 06:07:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 06:07:30,999 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:30,999 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 06:07:31,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 06:07:31,200 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 06:07:31,200 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 63 more)] === [2025-01-10 06:07:31,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:31,201 INFO L85 PathProgramCache]: Analyzing trace with hash 43637571, now seen corresponding path program 1 times [2025-01-10 06:07:31,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:31,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811504430] [2025-01-10 06:07:31,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:31,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:31,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 06:07:31,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 06:07:31,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:31,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-01-10 06:07:31,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:31,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811504430] [2025-01-10 06:07:31,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811504430] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:31,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:31,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:31,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272714191] [2025-01-10 06:07:31,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:31,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:31,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:31,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:31,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:31,788 INFO L87 Difference]: Start difference. First operand 508 states and 706 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:31,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:31,845 INFO L93 Difference]: Finished difference Result 520 states and 720 transitions. [2025-01-10 06:07:31,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:31,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-01-10 06:07:31,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:31,849 INFO L225 Difference]: With dead ends: 520 [2025-01-10 06:07:31,850 INFO L226 Difference]: Without dead ends: 518 [2025-01-10 06:07:31,850 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 06:07:31,850 INFO L435 NwaCegarLoop]: 665 mSDtfsCounter, 2 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:31,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1326 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-01-10 06:07:31,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 517. [2025-01-10 06:07:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 455 states have (on average 1.5098901098901099) internal successors, (687), 497 states have internal predecessors, (687), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 718 transitions. [2025-01-10 06:07:31,868 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 718 transitions. Word has length 48 [2025-01-10 06:07:31,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:31,868 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 718 transitions. [2025-01-10 06:07:31,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 718 transitions. [2025-01-10 06:07:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 06:07:31,871 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:31,871 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:31,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 06:07:31,871 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:31,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:31,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1352759077, now seen corresponding path program 1 times [2025-01-10 06:07:31,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:31,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810895929] [2025-01-10 06:07:31,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:31,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:32,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 06:07:32,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 06:07:32,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:32,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-01-10 06:07:32,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:32,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810895929] [2025-01-10 06:07:32,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810895929] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:32,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:32,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:32,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269716083] [2025-01-10 06:07:32,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:32,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:32,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:32,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:32,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:32,396 INFO L87 Difference]: Start difference. First operand 517 states and 718 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:32,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:32,422 INFO L93 Difference]: Finished difference Result 517 states and 718 transitions. [2025-01-10 06:07:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:32,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-01-10 06:07:32,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:32,425 INFO L225 Difference]: With dead ends: 517 [2025-01-10 06:07:32,425 INFO L226 Difference]: Without dead ends: 516 [2025-01-10 06:07:32,425 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 06:07:32,425 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 0 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:32,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1329 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:32,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2025-01-10 06:07:32,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 512. [2025-01-10 06:07:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 451 states have (on average 1.5099778270509978) internal successors, (681), 492 states have internal predecessors, (681), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 712 transitions. [2025-01-10 06:07:32,439 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 712 transitions. Word has length 49 [2025-01-10 06:07:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:32,440 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 712 transitions. [2025-01-10 06:07:32,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 712 transitions. [2025-01-10 06:07:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 06:07:32,440 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:32,441 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:32,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 06:07:32,443 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:32,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:32,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1289042552, now seen corresponding path program 1 times [2025-01-10 06:07:32,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:32,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239079688] [2025-01-10 06:07:32,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:32,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:32,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 06:07:32,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 06:07:32,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:32,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:33,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:33,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239079688] [2025-01-10 06:07:33,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239079688] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:33,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308608187] [2025-01-10 06:07:33,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:33,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:33,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:33,136 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:33,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 06:07:33,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 06:07:33,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 06:07:33,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:33,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:33,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:33,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:33,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:07:33,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308608187] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:33,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:07:33,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:07:33,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028094387] [2025-01-10 06:07:33,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:33,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:07:33,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:33,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:07:33,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:33,948 INFO L87 Difference]: Start difference. First operand 512 states and 712 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 06:07:34,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:34,041 INFO L93 Difference]: Finished difference Result 815 states and 1155 transitions. [2025-01-10 06:07:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:07:34,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 52 [2025-01-10 06:07:34,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:34,044 INFO L225 Difference]: With dead ends: 815 [2025-01-10 06:07:34,044 INFO L226 Difference]: Without dead ends: 814 [2025-01-10 06:07:34,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 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 06:07:34,044 INFO L435 NwaCegarLoop]: 1094 mSDtfsCounter, 837 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:34,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1993 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:07:34,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2025-01-10 06:07:34,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 511. [2025-01-10 06:07:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 451 states have (on average 1.507760532150776) internal successors, (680), 491 states have internal predecessors, (680), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 711 transitions. [2025-01-10 06:07:34,057 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 711 transitions. Word has length 52 [2025-01-10 06:07:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:34,057 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 711 transitions. [2025-01-10 06:07:34,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 06:07:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 711 transitions. [2025-01-10 06:07:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 06:07:34,058 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:34,058 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:34,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 06:07:34,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 06:07:34,259 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:34,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:34,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1305613023, now seen corresponding path program 1 times [2025-01-10 06:07:34,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:34,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295650523] [2025-01-10 06:07:34,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:34,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 06:07:34,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 06:07:34,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:34,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:34,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:34,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295650523] [2025-01-10 06:07:34,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295650523] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:34,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463122190] [2025-01-10 06:07:34,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:34,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:34,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:34,700 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:34,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 06:07:35,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 06:07:35,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 06:07:35,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:35,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:35,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 1884 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:35,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:35,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:35,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463122190] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:35,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:35,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 06:07:35,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84772074] [2025-01-10 06:07:35,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:35,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:07:35,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:35,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:07:35,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:35,583 INFO L87 Difference]: Start difference. First operand 511 states and 711 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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 06:07:35,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:35,763 INFO L93 Difference]: Finished difference Result 1720 states and 2481 transitions. [2025-01-10 06:07:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:07:35,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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 53 [2025-01-10 06:07:35,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:35,771 INFO L225 Difference]: With dead ends: 1720 [2025-01-10 06:07:35,771 INFO L226 Difference]: Without dead ends: 1719 [2025-01-10 06:07:35,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 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 06:07:35,772 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 2136 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:35,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 3604 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:07:35,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2025-01-10 06:07:35,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 523. [2025-01-10 06:07:35,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 463 states have (on average 1.5010799136069115) internal successors, (695), 503 states have internal predecessors, (695), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 726 transitions. [2025-01-10 06:07:35,796 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 726 transitions. Word has length 53 [2025-01-10 06:07:35,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:35,796 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 726 transitions. [2025-01-10 06:07:35,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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 06:07:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 726 transitions. [2025-01-10 06:07:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 06:07:35,797 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:35,797 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:35,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 06:07:35,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 06:07:35,998 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:35,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:35,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1720221261, now seen corresponding path program 1 times [2025-01-10 06:07:35,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:35,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376419372] [2025-01-10 06:07:35,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:36,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 06:07:36,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 06:07:36,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:36,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-10 06:07:36,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:36,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376419372] [2025-01-10 06:07:36,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376419372] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:36,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832854224] [2025-01-10 06:07:36,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:36,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:36,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:36,398 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:36,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 06:07:37,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 06:07:37,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 06:07:37,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:37,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:37,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:37,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-10 06:07:37,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-10 06:07:37,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832854224] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:37,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:37,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 06:07:37,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696499388] [2025-01-10 06:07:37,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:37,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:07:37,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:37,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:07:37,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:37,285 INFO L87 Difference]: Start difference. First operand 523 states and 726 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:37,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:37,328 INFO L93 Difference]: Finished difference Result 1021 states and 1429 transitions. [2025-01-10 06:07:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:07:37,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-01-10 06:07:37,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:37,331 INFO L225 Difference]: With dead ends: 1021 [2025-01-10 06:07:37,331 INFO L226 Difference]: Without dead ends: 541 [2025-01-10 06:07:37,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:37,332 INFO L435 NwaCegarLoop]: 665 mSDtfsCounter, 4 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:37,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1327 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:37,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2025-01-10 06:07:37,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2025-01-10 06:07:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 481 states have (on average 1.4823284823284824) internal successors, (713), 521 states have internal predecessors, (713), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:07:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 744 transitions. [2025-01-10 06:07:37,345 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 744 transitions. Word has length 55 [2025-01-10 06:07:37,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:37,345 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 744 transitions. [2025-01-10 06:07:37,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 744 transitions. [2025-01-10 06:07:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 06:07:37,346 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:37,346 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:37,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 06:07:37,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:37,548 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:37,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1624360889, now seen corresponding path program 1 times [2025-01-10 06:07:37,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:37,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56586825] [2025-01-10 06:07:37,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:37,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:37,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 06:07:37,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 06:07:37,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:37,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:38,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:38,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56586825] [2025-01-10 06:07:38,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56586825] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:38,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:38,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:38,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655401646] [2025-01-10 06:07:38,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:38,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:38,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:38,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:38,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:38,033 INFO L87 Difference]: Start difference. First operand 541 states and 744 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:38,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:38,147 INFO L93 Difference]: Finished difference Result 1059 states and 1485 transitions. [2025-01-10 06:07:38,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:38,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2025-01-10 06:07:38,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:38,150 INFO L225 Difference]: With dead ends: 1059 [2025-01-10 06:07:38,150 INFO L226 Difference]: Without dead ends: 638 [2025-01-10 06:07:38,151 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 06:07:38,151 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 121 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:38,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1254 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:07:38,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2025-01-10 06:07:38,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 584. [2025-01-10 06:07:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 523 states have (on average 1.4722753346080306) internal successors, (770), 563 states have internal predecessors, (770), 19 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 06:07:38,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 803 transitions. [2025-01-10 06:07:38,164 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 803 transitions. Word has length 62 [2025-01-10 06:07:38,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:38,164 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 803 transitions. [2025-01-10 06:07:38,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 803 transitions. [2025-01-10 06:07:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 06:07:38,165 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:38,165 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:38,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 06:07:38,165 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:38,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:38,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1937670867, now seen corresponding path program 1 times [2025-01-10 06:07:38,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:38,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630017241] [2025-01-10 06:07:38,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:38,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:38,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 06:07:38,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 06:07:38,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:38,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:38,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:38,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630017241] [2025-01-10 06:07:38,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630017241] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:38,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:38,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:38,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62263761] [2025-01-10 06:07:38,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:38,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:38,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:38,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:38,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:38,527 INFO L87 Difference]: Start difference. First operand 584 states and 803 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:07:38,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:38,551 INFO L93 Difference]: Finished difference Result 586 states and 803 transitions. [2025-01-10 06:07:38,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:38,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2025-01-10 06:07:38,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:38,554 INFO L225 Difference]: With dead ends: 586 [2025-01-10 06:07:38,554 INFO L226 Difference]: Without dead ends: 584 [2025-01-10 06:07:38,554 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 06:07:38,555 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 1 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:38,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1326 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:38,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-01-10 06:07:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2025-01-10 06:07:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 523 states have (on average 1.468451242829828) internal successors, (768), 563 states have internal predecessors, (768), 19 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 06:07:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 801 transitions. [2025-01-10 06:07:38,567 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 801 transitions. Word has length 64 [2025-01-10 06:07:38,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:38,567 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 801 transitions. [2025-01-10 06:07:38,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:07:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 801 transitions. [2025-01-10 06:07:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-10 06:07:38,567 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:38,567 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:38,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 06:07:38,568 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:38,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:38,568 INFO L85 PathProgramCache]: Analyzing trace with hash -203302864, now seen corresponding path program 2 times [2025-01-10 06:07:38,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:38,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212970876] [2025-01-10 06:07:38,568 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:38,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:38,973 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-01-10 06:07:38,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 65 statements. [2025-01-10 06:07:38,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:07:38,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-01-10 06:07:39,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:39,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212970876] [2025-01-10 06:07:39,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212970876] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:39,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:39,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:07:39,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159031993] [2025-01-10 06:07:39,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:39,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:39,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:39,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:39,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:39,220 INFO L87 Difference]: Start difference. First operand 584 states and 801 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:39,262 INFO L93 Difference]: Finished difference Result 1081 states and 1497 transitions. [2025-01-10 06:07:39,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:39,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2025-01-10 06:07:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:39,265 INFO L225 Difference]: With dead ends: 1081 [2025-01-10 06:07:39,265 INFO L226 Difference]: Without dead ends: 588 [2025-01-10 06:07:39,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:39,267 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 27 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:39,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1293 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-01-10 06:07:39,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2025-01-10 06:07:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 526 states have (on average 1.4638783269961977) internal successors, (770), 566 states have internal predecessors, (770), 19 states have call successors, (19), 8 states have call predecessors, (19), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 06:07:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 803 transitions. [2025-01-10 06:07:39,285 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 803 transitions. Word has length 65 [2025-01-10 06:07:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:39,285 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 803 transitions. [2025-01-10 06:07:39,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 803 transitions. [2025-01-10 06:07:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 06:07:39,288 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:39,288 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:39,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 06:07:39,288 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:39,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:39,289 INFO L85 PathProgramCache]: Analyzing trace with hash 73681758, now seen corresponding path program 1 times [2025-01-10 06:07:39,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:39,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357749856] [2025-01-10 06:07:39,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:39,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:39,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 06:07:39,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 06:07:39,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:39,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-01-10 06:07:39,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:39,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357749856] [2025-01-10 06:07:39,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357749856] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:39,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:39,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:07:39,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241774740] [2025-01-10 06:07:39,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:39,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:07:39,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:39,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:07:39,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:07:39,862 INFO L87 Difference]: Start difference. First operand 588 states and 803 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 06:07:39,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:39,913 INFO L93 Difference]: Finished difference Result 1096 states and 1519 transitions. [2025-01-10 06:07:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:07:39,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 73 [2025-01-10 06:07:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:39,917 INFO L225 Difference]: With dead ends: 1096 [2025-01-10 06:07:39,917 INFO L226 Difference]: Without dead ends: 590 [2025-01-10 06:07:39,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:07:39,919 INFO L435 NwaCegarLoop]: 665 mSDtfsCounter, 0 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:39,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1981 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:39,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2025-01-10 06:07:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2025-01-10 06:07:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 528 states have (on average 1.4621212121212122) internal successors, (772), 568 states have internal predecessors, (772), 19 states have call successors, (19), 8 states have call predecessors, (19), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 06:07:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 805 transitions. [2025-01-10 06:07:39,935 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 805 transitions. Word has length 73 [2025-01-10 06:07:39,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:39,935 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 805 transitions. [2025-01-10 06:07:39,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 06:07:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 805 transitions. [2025-01-10 06:07:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 06:07:39,936 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:39,936 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:39,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 06:07:39,936 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:39,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:39,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1459885152, now seen corresponding path program 1 times [2025-01-10 06:07:39,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:39,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140321603] [2025-01-10 06:07:39,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:39,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:40,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 06:07:40,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 06:07:40,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:40,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-01-10 06:07:40,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:40,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140321603] [2025-01-10 06:07:40,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140321603] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:40,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:40,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 06:07:40,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697373681] [2025-01-10 06:07:40,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:40,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:07:40,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:40,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:07:40,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:07:40,482 INFO L87 Difference]: Start difference. First operand 590 states and 805 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 06:07:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:40,597 INFO L93 Difference]: Finished difference Result 1098 states and 1521 transitions. [2025-01-10 06:07:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:07:40,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 73 [2025-01-10 06:07:40,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:40,600 INFO L225 Difference]: With dead ends: 1098 [2025-01-10 06:07:40,600 INFO L226 Difference]: Without dead ends: 593 [2025-01-10 06:07:40,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:40,601 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 2 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3285 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:40,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3285 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:07:40,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2025-01-10 06:07:40,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2025-01-10 06:07:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.4595103578154425) internal successors, (775), 571 states have internal predecessors, (775), 19 states have call successors, (19), 8 states have call predecessors, (19), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 06:07:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 808 transitions. [2025-01-10 06:07:40,619 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 808 transitions. Word has length 73 [2025-01-10 06:07:40,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:40,619 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 808 transitions. [2025-01-10 06:07:40,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 06:07:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 808 transitions. [2025-01-10 06:07:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 06:07:40,620 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:40,620 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:40,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-10 06:07:40,620 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2025-01-10 06:07:40,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:40,620 INFO L85 PathProgramCache]: Analyzing trace with hash 703192987, now seen corresponding path program 2 times [2025-01-10 06:07:40,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:40,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633148321] [2025-01-10 06:07:40,620 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:40,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:40,975 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes. [2025-01-10 06:07:41,052 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 06:07:41,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:07:41,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-01-10 06:07:41,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:41,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633148321] [2025-01-10 06:07:41,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633148321] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:41,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840573821] [2025-01-10 06:07:41,271 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:41,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:41,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:41,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:41,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 06:07:42,300 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes.