./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/uthash-2.0.2/uthash_FNV_test4-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:13:17,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:13:17,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:13:17,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:13:17,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:13:17,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:13:17,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:13:17,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:13:17,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:13:17,118 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:13:17,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:13:17,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:13:17,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:13:17,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:13:17,118 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:13:17,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:13:17,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:13:17,118 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:13:17,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:13:17,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:13:17,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:13:17,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:13:17,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:13:17,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:13:17,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:13:17,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:13:17,121 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:13:17,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:13:17,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:13:17,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:13:17,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:13:17,123 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 [2025-02-06 18:13:17,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:13:17,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:13:17,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:13:17,324 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:13:17,324 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:13:17,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2025-02-06 18:13:18,441 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b5818cdd/b84f1203fed3456e8907f2a1dfb12199/FLAG8018e473d [2025-02-06 18:13:18,698 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:13:18,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2025-02-06 18:13:18,711 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b5818cdd/b84f1203fed3456e8907f2a1dfb12199/FLAG8018e473d [2025-02-06 18:13:19,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b5818cdd/b84f1203fed3456e8907f2a1dfb12199 [2025-02-06 18:13:19,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:13:19,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:13:19,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:13:19,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:13:19,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:13:19,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8575a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19, skipping insertion in model container [2025-02-06 18:13:19,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:13:19,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:13:19,350 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:13:19,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:13:19,458 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:13:19,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19 WrapperNode [2025-02-06 18:13:19,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:13:19,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:13:19,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:13:19,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:13:19,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,532 INFO L138 Inliner]: procedures = 176, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1855 [2025-02-06 18:13:19,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:13:19,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:13:19,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:13:19,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:13:19,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,675 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2025-02-06 18:13:19,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:13:19,738 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:13:19,739 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:13:19,739 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:13:19,740 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (1/1) ... [2025-02-06 18:13:19,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:13:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:19,765 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) [2025-02-06 18:13:19,770 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 [2025-02-06 18:13:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:13:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:13:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 18:13:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 18:13:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 18:13:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 18:13:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:13:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:13:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:13:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:13:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:13:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:13:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:13:19,978 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:13:19,979 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:13:21,393 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2025-02-06 18:13:21,394 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:13:21,433 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:13:21,434 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-06 18:13:21,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:13:21 BoogieIcfgContainer [2025-02-06 18:13:21,434 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:13:21,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:13:21,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:13:21,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:13:21,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:13:19" (1/3) ... [2025-02-06 18:13:21,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2054f62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:13:21, skipping insertion in model container [2025-02-06 18:13:21,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:13:19" (2/3) ... [2025-02-06 18:13:21,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2054f62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:13:21, skipping insertion in model container [2025-02-06 18:13:21,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:13:21" (3/3) ... [2025-02-06 18:13:21,441 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-3.i [2025-02-06 18:13:21,453 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:13:21,454 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test4-3.i that has 4 procedures, 494 locations, 1 initial locations, 45 loop locations, and 6 error locations. [2025-02-06 18:13:21,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:13:21,505 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;@3fa053cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:13:21,505 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-06 18:13:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 490 states, 465 states have (on average 1.621505376344086) internal successors, (754), 481 states have internal predecessors, (754), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 18:13:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 18:13:21,511 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:21,512 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 18:13:21,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:21,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:21,515 INFO L85 PathProgramCache]: Analyzing trace with hash 833370416, now seen corresponding path program 1 times [2025-02-06 18:13:21,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:21,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055025873] [2025-02-06 18:13:21,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:21,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:21,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:13:21,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:13:21,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:21,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:13:21,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:21,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055025873] [2025-02-06 18:13:21,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055025873] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:21,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:21,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:13:21,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539271281] [2025-02-06 18:13:21,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:21,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:13:21,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:21,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:13:21,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:13:21,675 INFO L87 Difference]: Start difference. First operand has 490 states, 465 states have (on average 1.621505376344086) internal successors, (754), 481 states have internal predecessors, (754), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-02-06 18:13:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:21,891 INFO L93 Difference]: Finished difference Result 1358 states and 2199 transitions. [2025-02-06 18:13:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:13:21,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2025-02-06 18:13:21,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:21,905 INFO L225 Difference]: With dead ends: 1358 [2025-02-06 18:13:21,905 INFO L226 Difference]: Without dead ends: 806 [2025-02-06 18:13:21,909 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 [2025-02-06 18:13:21,911 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 543 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:21,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1307 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:13:21,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2025-02-06 18:13:21,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 429. [2025-02-06 18:13:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 406 states have (on average 1.4556650246305418) internal successors, (591), 420 states have internal predecessors, (591), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 18:13:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 623 transitions. [2025-02-06 18:13:21,965 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 623 transitions. Word has length 5 [2025-02-06 18:13:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:21,965 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 623 transitions. [2025-02-06 18:13:21,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-02-06 18:13:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 623 transitions. [2025-02-06 18:13:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-02-06 18:13:21,969 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:21,969 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:13:21,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:13:21,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:21,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:21,970 INFO L85 PathProgramCache]: Analyzing trace with hash 850110536, now seen corresponding path program 1 times [2025-02-06 18:13:21,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:21,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187439321] [2025-02-06 18:13:21,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:21,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:22,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-06 18:13:22,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-06 18:13:22,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:22,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:13:22,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:22,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187439321] [2025-02-06 18:13:22,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187439321] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:22,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:22,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:13:22,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337016184] [2025-02-06 18:13:22,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:22,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:13:22,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:22,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:13:22,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:13:22,492 INFO L87 Difference]: Start difference. First operand 429 states and 623 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 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) [2025-02-06 18:13:22,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:22,640 INFO L93 Difference]: Finished difference Result 854 states and 1242 transitions. [2025-02-06 18:13:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:13:22,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 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 149 [2025-02-06 18:13:22,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:22,643 INFO L225 Difference]: With dead ends: 854 [2025-02-06 18:13:22,643 INFO L226 Difference]: Without dead ends: 432 [2025-02-06 18:13:22,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:13:22,644 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 105 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:22,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1557 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:13:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2025-02-06 18:13:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 429. [2025-02-06 18:13:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 406 states have (on average 1.438423645320197) internal successors, (584), 420 states have internal predecessors, (584), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 18:13:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 616 transitions. [2025-02-06 18:13:22,659 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 616 transitions. Word has length 149 [2025-02-06 18:13:22,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:22,660 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 616 transitions. [2025-02-06 18:13:22,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 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) [2025-02-06 18:13:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 616 transitions. [2025-02-06 18:13:22,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-02-06 18:13:22,664 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:22,665 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:13:22,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 18:13:22,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:22,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:22,665 INFO L85 PathProgramCache]: Analyzing trace with hash -842832159, now seen corresponding path program 1 times [2025-02-06 18:13:22,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:22,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225087938] [2025-02-06 18:13:22,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:22,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:22,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-06 18:13:22,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-06 18:13:22,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:22,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:13:22,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:22,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225087938] [2025-02-06 18:13:22,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225087938] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:22,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:22,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:13:22,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182145617] [2025-02-06 18:13:22,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:22,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:13:22,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:22,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:13:22,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:13:22,881 INFO L87 Difference]: Start difference. First operand 429 states and 616 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2025-02-06 18:13:23,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:23,007 INFO L93 Difference]: Finished difference Result 977 states and 1411 transitions. [2025-02-06 18:13:23,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:13:23,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 149 [2025-02-06 18:13:23,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:23,011 INFO L225 Difference]: With dead ends: 977 [2025-02-06 18:13:23,013 INFO L226 Difference]: Without dead ends: 555 [2025-02-06 18:13:23,014 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 [2025-02-06 18:13:23,014 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 134 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:23,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1125 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:13:23,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2025-02-06 18:13:23,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2025-02-06 18:13:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 532 states have (on average 1.4454887218045114) internal successors, (769), 546 states have internal predecessors, (769), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 18:13:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 801 transitions. [2025-02-06 18:13:23,031 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 801 transitions. Word has length 149 [2025-02-06 18:13:23,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:23,032 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 801 transitions. [2025-02-06 18:13:23,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2025-02-06 18:13:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 801 transitions. [2025-02-06 18:13:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-02-06 18:13:23,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:23,036 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:13:23,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:13:23,036 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:23,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:23,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1113783821, now seen corresponding path program 1 times [2025-02-06 18:13:23,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:23,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187457547] [2025-02-06 18:13:23,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:23,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:23,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-02-06 18:13:23,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 18:13:23,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:23,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:13:23,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:23,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187457547] [2025-02-06 18:13:23,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187457547] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:23,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:23,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:13:23,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390256026] [2025-02-06 18:13:23,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:23,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:13:23,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:23,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:13:23,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:13:23,316 INFO L87 Difference]: Start difference. First operand 555 states and 801 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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) [2025-02-06 18:13:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:23,453 INFO L93 Difference]: Finished difference Result 980 states and 1413 transitions. [2025-02-06 18:13:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:13:23,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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 164 [2025-02-06 18:13:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:23,456 INFO L225 Difference]: With dead ends: 980 [2025-02-06 18:13:23,457 INFO L226 Difference]: Without dead ends: 558 [2025-02-06 18:13:23,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:13:23,459 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 105 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:23,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1536 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:13:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2025-02-06 18:13:23,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 555. [2025-02-06 18:13:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 532 states have (on average 1.4323308270676691) internal successors, (762), 546 states have internal predecessors, (762), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 18:13:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 794 transitions. [2025-02-06 18:13:23,474 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 794 transitions. Word has length 164 [2025-02-06 18:13:23,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:23,476 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 794 transitions. [2025-02-06 18:13:23,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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) [2025-02-06 18:13:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 794 transitions. [2025-02-06 18:13:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-02-06 18:13:23,479 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:23,479 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:13:23,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 18:13:23,479 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:23,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:23,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1795239756, now seen corresponding path program 1 times [2025-02-06 18:13:23,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:23,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134534293] [2025-02-06 18:13:23,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:23,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:23,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-02-06 18:13:23,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 18:13:23,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:23,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:13:23,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:23,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134534293] [2025-02-06 18:13:23,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134534293] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:23,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:23,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:13:23,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035012987] [2025-02-06 18:13:23,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:23,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:13:23,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:23,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:13:23,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:13:23,702 INFO L87 Difference]: Start difference. First operand 555 states and 794 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2025-02-06 18:13:23,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:23,803 INFO L93 Difference]: Finished difference Result 983 states and 1405 transitions. [2025-02-06 18:13:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:13:23,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 164 [2025-02-06 18:13:23,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:23,806 INFO L225 Difference]: With dead ends: 983 [2025-02-06 18:13:23,806 INFO L226 Difference]: Without dead ends: 561 [2025-02-06 18:13:23,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:13:23,807 INFO L435 NwaCegarLoop]: 554 mSDtfsCounter, 1 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:23,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1086 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:13:23,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2025-02-06 18:13:23,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 561. [2025-02-06 18:13:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 538 states have (on average 1.4275092936802973) internal successors, (768), 552 states have internal predecessors, (768), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 18:13:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 800 transitions. [2025-02-06 18:13:23,827 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 800 transitions. Word has length 164 [2025-02-06 18:13:23,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:23,828 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 800 transitions. [2025-02-06 18:13:23,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2025-02-06 18:13:23,828 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 800 transitions. [2025-02-06 18:13:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-02-06 18:13:23,829 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:23,829 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:13:23,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 18:13:23,829 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:23,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:23,832 INFO L85 PathProgramCache]: Analyzing trace with hash 825658733, now seen corresponding path program 1 times [2025-02-06 18:13:23,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:23,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139523133] [2025-02-06 18:13:23,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:23,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:23,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-02-06 18:13:23,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 18:13:23,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:23,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:13:24,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:24,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139523133] [2025-02-06 18:13:24,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139523133] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:24,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:24,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:13:24,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629431193] [2025-02-06 18:13:24,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:24,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:13:24,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:24,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:13:24,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:13:24,063 INFO L87 Difference]: Start difference. First operand 561 states and 800 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2025-02-06 18:13:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:24,201 INFO L93 Difference]: Finished difference Result 1181 states and 1680 transitions. [2025-02-06 18:13:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:13:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 164 [2025-02-06 18:13:24,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:24,205 INFO L225 Difference]: With dead ends: 1181 [2025-02-06 18:13:24,206 INFO L226 Difference]: Without dead ends: 753 [2025-02-06 18:13:24,206 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 [2025-02-06 18:13:24,207 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 318 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:24,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1110 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:13:24,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2025-02-06 18:13:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2025-02-06 18:13:24,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 727 states have (on average 1.4209078404401652) internal successors, (1033), 741 states have internal predecessors, (1033), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 18:13:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1071 transitions. [2025-02-06 18:13:24,221 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1071 transitions. Word has length 164 [2025-02-06 18:13:24,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:24,222 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 1071 transitions. [2025-02-06 18:13:24,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2025-02-06 18:13:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1071 transitions. [2025-02-06 18:13:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-02-06 18:13:24,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:24,223 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:13:24,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:13:24,223 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:24,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:24,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1360123105, now seen corresponding path program 1 times [2025-02-06 18:13:24,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:24,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606096412] [2025-02-06 18:13:24,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:24,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:24,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-02-06 18:13:24,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-02-06 18:13:24,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:24,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:24,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:24,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606096412] [2025-02-06 18:13:24,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606096412] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:24,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:24,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:13:24,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866087939] [2025-02-06 18:13:24,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:24,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:13:24,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:24,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:13:24,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:13:24,487 INFO L87 Difference]: Start difference. First operand 753 states and 1071 transitions. Second operand has 4 states, 3 states have (on average 54.0) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:24,633 INFO L93 Difference]: Finished difference Result 818 states and 1156 transitions. [2025-02-06 18:13:24,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:13:24,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 54.0) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 179 [2025-02-06 18:13:24,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:24,637 INFO L225 Difference]: With dead ends: 818 [2025-02-06 18:13:24,637 INFO L226 Difference]: Without dead ends: 816 [2025-02-06 18:13:24,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:13:24,639 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 369 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:24,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1731 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:13:24,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2025-02-06 18:13:24,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2025-02-06 18:13:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 787 states have (on average 1.4104193138500636) internal successors, (1110), 801 states have internal predecessors, (1110), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 18:13:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1154 transitions. [2025-02-06 18:13:24,659 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1154 transitions. Word has length 179 [2025-02-06 18:13:24,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:24,660 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1154 transitions. [2025-02-06 18:13:24,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 54.0) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1154 transitions. [2025-02-06 18:13:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-06 18:13:24,661 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:24,662 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:13:24,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 18:13:24,662 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:24,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash -405076836, now seen corresponding path program 1 times [2025-02-06 18:13:24,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:24,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594939547] [2025-02-06 18:13:24,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:24,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:24,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-06 18:13:24,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-06 18:13:24,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:24,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:24,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:24,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594939547] [2025-02-06 18:13:24,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594939547] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:24,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125119531] [2025-02-06 18:13:24,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:24,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:24,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:24,957 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) [2025-02-06 18:13:24,959 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 [2025-02-06 18:13:25,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-06 18:13:25,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-06 18:13:25,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:25,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:25,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:13:25,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:25,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:13:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:25,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125119531] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:13:25,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:13:25,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 18:13:25,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066477961] [2025-02-06 18:13:25,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:13:25,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 18:13:25,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:25,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 18:13:25,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:13:25,735 INFO L87 Difference]: Start difference. First operand 816 states and 1154 transitions. Second operand has 10 states, 10 states have (on average 48.5) internal successors, (485), 10 states have internal predecessors, (485), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 18:13:26,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:26,074 INFO L93 Difference]: Finished difference Result 1239 states and 1760 transitions. [2025-02-06 18:13:26,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:13:26,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 48.5) internal successors, (485), 10 states have internal predecessors, (485), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 183 [2025-02-06 18:13:26,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:26,080 INFO L225 Difference]: With dead ends: 1239 [2025-02-06 18:13:26,080 INFO L226 Difference]: Without dead ends: 1207 [2025-02-06 18:13:26,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:13:26,081 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 1794 mSDsluCounter, 3286 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 3876 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:26,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1808 Valid, 3876 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:13:26,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2025-02-06 18:13:26,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1207. [2025-02-06 18:13:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1172 states have (on average 1.408703071672355) internal successors, (1651), 1186 states have internal predecessors, (1651), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 18:13:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1707 transitions. [2025-02-06 18:13:26,114 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1707 transitions. Word has length 183 [2025-02-06 18:13:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:26,115 INFO L471 AbstractCegarLoop]: Abstraction has 1207 states and 1707 transitions. [2025-02-06 18:13:26,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 48.5) internal successors, (485), 10 states have internal predecessors, (485), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 18:13:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1707 transitions. [2025-02-06 18:13:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-02-06 18:13:26,118 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:26,118 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:26,126 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 [2025-02-06 18:13:26,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:26,318 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:26,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:26,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2097165389, now seen corresponding path program 1 times [2025-02-06 18:13:26,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:26,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714578849] [2025-02-06 18:13:26,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:26,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:26,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-02-06 18:13:26,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-02-06 18:13:26,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:26,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 18:13:27,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714578849] [2025-02-06 18:13:27,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714578849] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562820953] [2025-02-06 18:13:27,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:27,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:27,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:27,049 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) [2025-02-06 18:13:27,050 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 [2025-02-06 18:13:27,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-02-06 18:13:27,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-02-06 18:13:27,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:27,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:27,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 18:13:27,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:27,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:13:27,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2025-02-06 18:13:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:28,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:13:28,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562820953] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:28,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:13:28,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-02-06 18:13:28,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109957573] [2025-02-06 18:13:28,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:28,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 18:13:28,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:28,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 18:13:28,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:13:28,171 INFO L87 Difference]: Start difference. First operand 1207 states and 1707 transitions. Second operand has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:30,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:30,330 INFO L93 Difference]: Finished difference Result 2376 states and 3355 transitions. [2025-02-06 18:13:30,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 18:13:30,330 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2025-02-06 18:13:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:30,335 INFO L225 Difference]: With dead ends: 2376 [2025-02-06 18:13:30,335 INFO L226 Difference]: Without dead ends: 1255 [2025-02-06 18:13:30,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2025-02-06 18:13:30,337 INFO L435 NwaCegarLoop]: 594 mSDtfsCounter, 1016 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:30,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 3615 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 18:13:30,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2025-02-06 18:13:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1232. [2025-02-06 18:13:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1197 states have (on average 1.404344193817878) internal successors, (1681), 1211 states have internal predecessors, (1681), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 18:13:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1737 transitions. [2025-02-06 18:13:30,372 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1737 transitions. Word has length 185 [2025-02-06 18:13:30,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:30,372 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1737 transitions. [2025-02-06 18:13:30,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1737 transitions. [2025-02-06 18:13:30,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 18:13:30,374 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:30,374 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:30,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 18:13:30,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:30,575 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:30,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:30,575 INFO L85 PathProgramCache]: Analyzing trace with hash 499045155, now seen corresponding path program 1 times [2025-02-06 18:13:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:30,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505838644] [2025-02-06 18:13:30,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:30,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:30,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 18:13:30,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 18:13:30,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:30,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 18:13:31,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:31,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505838644] [2025-02-06 18:13:31,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505838644] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:31,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657740213] [2025-02-06 18:13:31,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:31,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:31,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:31,030 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) [2025-02-06 18:13:31,033 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 [2025-02-06 18:13:31,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 18:13:31,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 18:13:31,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:31,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:31,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 18:13:31,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:31,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:13:31,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657740213] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:31,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:13:31,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-06 18:13:31,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708556239] [2025-02-06 18:13:31,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:31,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:13:31,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:31,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:13:31,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:13:31,568 INFO L87 Difference]: Start difference. First operand 1232 states and 1737 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:31,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:31,794 INFO L93 Difference]: Finished difference Result 2430 states and 3427 transitions. [2025-02-06 18:13:31,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:13:31,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 186 [2025-02-06 18:13:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:31,799 INFO L225 Difference]: With dead ends: 2430 [2025-02-06 18:13:31,799 INFO L226 Difference]: Without dead ends: 1309 [2025-02-06 18:13:31,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:13:31,801 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 17 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:31,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1490 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:13:31,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2025-02-06 18:13:31,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1285. [2025-02-06 18:13:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1250 states have (on average 1.3968) internal successors, (1746), 1264 states have internal predecessors, (1746), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 18:13:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1802 transitions. [2025-02-06 18:13:31,826 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1802 transitions. Word has length 186 [2025-02-06 18:13:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:31,826 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1802 transitions. [2025-02-06 18:13:31,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1802 transitions. [2025-02-06 18:13:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-02-06 18:13:31,828 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:31,828 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:31,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 18:13:32,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:32,032 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:32,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1793850058, now seen corresponding path program 1 times [2025-02-06 18:13:32,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:32,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468083248] [2025-02-06 18:13:32,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:32,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-02-06 18:13:32,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-02-06 18:13:32,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:32,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:32,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:32,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468083248] [2025-02-06 18:13:32,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468083248] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:32,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:32,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 18:13:32,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138859311] [2025-02-06 18:13:32,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:32,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:13:32,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:32,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:13:32,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:13:32,368 INFO L87 Difference]: Start difference. First operand 1285 states and 1802 transitions. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:32,712 INFO L93 Difference]: Finished difference Result 2473 states and 3474 transitions. [2025-02-06 18:13:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:13:32,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2025-02-06 18:13:32,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:32,716 INFO L225 Difference]: With dead ends: 2473 [2025-02-06 18:13:32,716 INFO L226 Difference]: Without dead ends: 1303 [2025-02-06 18:13:32,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:13:32,718 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 8 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:32,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1878 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:13:32,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2025-02-06 18:13:32,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1297. [2025-02-06 18:13:32,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1262 states have (on average 1.3954041204437402) internal successors, (1761), 1276 states have internal predecessors, (1761), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 18:13:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1817 transitions. [2025-02-06 18:13:32,742 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1817 transitions. Word has length 187 [2025-02-06 18:13:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:32,742 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1817 transitions. [2025-02-06 18:13:32,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1817 transitions. [2025-02-06 18:13:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-02-06 18:13:32,744 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:32,744 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:32,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 18:13:32,745 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:32,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash 332102215, now seen corresponding path program 1 times [2025-02-06 18:13:32,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:32,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005524655] [2025-02-06 18:13:32,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:32,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:32,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 18:13:32,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 18:13:32,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:32,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:33,060 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:33,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:33,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005524655] [2025-02-06 18:13:33,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005524655] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:33,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:33,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 18:13:33,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850513823] [2025-02-06 18:13:33,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:33,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:13:33,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:33,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:13:33,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:13:33,062 INFO L87 Difference]: Start difference. First operand 1297 states and 1817 transitions. Second operand has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:33,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:33,569 INFO L93 Difference]: Finished difference Result 2501 states and 3512 transitions. [2025-02-06 18:13:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:13:33,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2025-02-06 18:13:33,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:33,575 INFO L225 Difference]: With dead ends: 2501 [2025-02-06 18:13:33,575 INFO L226 Difference]: Without dead ends: 1330 [2025-02-06 18:13:33,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:13:33,577 INFO L435 NwaCegarLoop]: 543 mSDtfsCounter, 12 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:33,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2711 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 18:13:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2025-02-06 18:13:33,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1321. [2025-02-06 18:13:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 1286 states have (on average 1.3950233281493) internal successors, (1794), 1300 states have internal predecessors, (1794), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 18:13:33,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1850 transitions. [2025-02-06 18:13:33,618 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1850 transitions. Word has length 188 [2025-02-06 18:13:33,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:33,618 INFO L471 AbstractCegarLoop]: Abstraction has 1321 states and 1850 transitions. [2025-02-06 18:13:33,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1850 transitions. [2025-02-06 18:13:33,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-02-06 18:13:33,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:33,620 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:33,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 18:13:33,621 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:33,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:33,621 INFO L85 PathProgramCache]: Analyzing trace with hash 357833280, now seen corresponding path program 1 times [2025-02-06 18:13:33,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:33,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490132747] [2025-02-06 18:13:33,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:33,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:33,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 18:13:33,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 18:13:33,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:33,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 18:13:33,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:33,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490132747] [2025-02-06 18:13:33,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490132747] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:33,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091273356] [2025-02-06 18:13:33,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:33,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:33,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:33,999 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) [2025-02-06 18:13:34,001 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 [2025-02-06 18:13:34,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 18:13:34,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 18:13:34,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:34,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:34,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 18:13:34,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 18:13:34,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:13:34,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091273356] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:34,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:13:34,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-06 18:13:34,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866296101] [2025-02-06 18:13:34,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:34,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:13:34,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:34,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:13:34,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:13:34,509 INFO L87 Difference]: Start difference. First operand 1321 states and 1850 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:34,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:34,617 INFO L93 Difference]: Finished difference Result 2471 states and 3478 transitions. [2025-02-06 18:13:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:13:34,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 188 [2025-02-06 18:13:34,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:34,623 INFO L225 Difference]: With dead ends: 2471 [2025-02-06 18:13:34,623 INFO L226 Difference]: Without dead ends: 1324 [2025-02-06 18:13:34,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:13:34,625 INFO L435 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:34,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1661 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:13:34,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2025-02-06 18:13:34,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1324. [2025-02-06 18:13:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1288 states have (on average 1.3951863354037266) internal successors, (1797), 1303 states have internal predecessors, (1797), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1859 transitions. [2025-02-06 18:13:34,653 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1859 transitions. Word has length 188 [2025-02-06 18:13:34,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:34,653 INFO L471 AbstractCegarLoop]: Abstraction has 1324 states and 1859 transitions. [2025-02-06 18:13:34,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1859 transitions. [2025-02-06 18:13:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-06 18:13:34,655 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:34,655 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:34,665 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 [2025-02-06 18:13:34,855 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,SelfDestructingSolverStorable12 [2025-02-06 18:13:34,856 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:34,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:34,856 INFO L85 PathProgramCache]: Analyzing trace with hash -351857280, now seen corresponding path program 1 times [2025-02-06 18:13:34,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:34,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627474791] [2025-02-06 18:13:34,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:34,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:34,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-06 18:13:35,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-06 18:13:35,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:35,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 18:13:35,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:35,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627474791] [2025-02-06 18:13:35,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627474791] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:35,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091813280] [2025-02-06 18:13:35,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:35,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:35,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:35,429 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) [2025-02-06 18:13:35,430 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 [2025-02-06 18:13:35,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-06 18:13:36,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-06 18:13:36,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:36,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:36,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 18:13:36,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 18:13:36,165 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:13:36,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091813280] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:36,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:13:36,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2025-02-06 18:13:36,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088140963] [2025-02-06 18:13:36,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:36,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 18:13:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:36,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 18:13:36,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:13:36,166 INFO L87 Difference]: Start difference. First operand 1324 states and 1859 transitions. Second operand has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:36,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:36,549 INFO L93 Difference]: Finished difference Result 2485 states and 3482 transitions. [2025-02-06 18:13:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 18:13:36,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 192 [2025-02-06 18:13:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:36,554 INFO L225 Difference]: With dead ends: 2485 [2025-02-06 18:13:36,555 INFO L226 Difference]: Without dead ends: 1477 [2025-02-06 18:13:36,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:13:36,557 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 30 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:36,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 2441 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:13:36,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2025-02-06 18:13:36,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1441. [2025-02-06 18:13:36,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1405 states have (on average 1.3793594306049821) internal successors, (1938), 1420 states have internal predecessors, (1938), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2000 transitions. [2025-02-06 18:13:36,589 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2000 transitions. Word has length 192 [2025-02-06 18:13:36,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:36,589 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 2000 transitions. [2025-02-06 18:13:36,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2000 transitions. [2025-02-06 18:13:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 18:13:36,591 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:36,592 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:36,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 18:13:36,792 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,SelfDestructingSolverStorable13 [2025-02-06 18:13:36,792 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:36,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:36,793 INFO L85 PathProgramCache]: Analyzing trace with hash 626481072, now seen corresponding path program 1 times [2025-02-06 18:13:36,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:36,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388329471] [2025-02-06 18:13:36,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:36,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:36,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 18:13:36,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 18:13:36,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:36,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-02-06 18:13:37,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:37,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388329471] [2025-02-06 18:13:37,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388329471] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:37,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:37,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 18:13:37,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304270320] [2025-02-06 18:13:37,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:37,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:13:37,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:37,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:13:37,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:13:37,226 INFO L87 Difference]: Start difference. First operand 1441 states and 2000 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:37,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:37,704 INFO L93 Difference]: Finished difference Result 2529 states and 3516 transitions. [2025-02-06 18:13:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:13:37,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 193 [2025-02-06 18:13:37,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:37,709 INFO L225 Difference]: With dead ends: 2529 [2025-02-06 18:13:37,709 INFO L226 Difference]: Without dead ends: 1444 [2025-02-06 18:13:37,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:13:37,711 INFO L435 NwaCegarLoop]: 549 mSDtfsCounter, 13 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:37,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2258 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:13:37,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2025-02-06 18:13:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1432. [2025-02-06 18:13:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1396 states have (on average 1.3775071633237823) internal successors, (1923), 1411 states have internal predecessors, (1923), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1985 transitions. [2025-02-06 18:13:37,730 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1985 transitions. Word has length 193 [2025-02-06 18:13:37,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:37,730 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 1985 transitions. [2025-02-06 18:13:37,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1985 transitions. [2025-02-06 18:13:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 18:13:37,732 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:37,732 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2025-02-06 18:13:37,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 18:13:37,732 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:37,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:37,733 INFO L85 PathProgramCache]: Analyzing trace with hash 619850397, now seen corresponding path program 1 times [2025-02-06 18:13:37,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:37,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33724480] [2025-02-06 18:13:37,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:37,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:37,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 18:13:37,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 18:13:37,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:37,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-02-06 18:13:38,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:38,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33724480] [2025-02-06 18:13:38,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33724480] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:38,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:38,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 18:13:38,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055788354] [2025-02-06 18:13:38,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:38,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:13:38,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:38,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:13:38,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:13:38,012 INFO L87 Difference]: Start difference. First operand 1432 states and 1985 transitions. Second operand has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:38,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:38,389 INFO L93 Difference]: Finished difference Result 2527 states and 3510 transitions. [2025-02-06 18:13:38,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:13:38,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 194 [2025-02-06 18:13:38,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:38,394 INFO L225 Difference]: With dead ends: 2527 [2025-02-06 18:13:38,394 INFO L226 Difference]: Without dead ends: 1450 [2025-02-06 18:13:38,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:13:38,395 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 8 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2283 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:38,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2283 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:13:38,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2025-02-06 18:13:38,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1444. [2025-02-06 18:13:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1408 states have (on average 1.3764204545454546) internal successors, (1938), 1423 states have internal predecessors, (1938), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2000 transitions. [2025-02-06 18:13:38,416 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2000 transitions. Word has length 194 [2025-02-06 18:13:38,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:38,416 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 2000 transitions. [2025-02-06 18:13:38,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:13:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2000 transitions. [2025-02-06 18:13:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 18:13:38,418 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:38,418 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1] [2025-02-06 18:13:38,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 18:13:38,418 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:38,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:38,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1457902438, now seen corresponding path program 1 times [2025-02-06 18:13:38,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:38,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514964374] [2025-02-06 18:13:38,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:38,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:38,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 18:13:38,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 18:13:38,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:38,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 18:13:39,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:39,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514964374] [2025-02-06 18:13:39,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514964374] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:39,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287175236] [2025-02-06 18:13:39,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:39,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:39,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:39,102 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) [2025-02-06 18:13:39,104 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 [2025-02-06 18:13:39,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 18:13:39,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 18:13:39,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:39,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:39,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 18:13:39,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 18:13:39,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:13:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 18:13:39,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287175236] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:13:39,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:13:39,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-06 18:13:39,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566290514] [2025-02-06 18:13:39,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:13:39,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 18:13:39,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:39,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 18:13:39,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:13:39,978 INFO L87 Difference]: Start difference. First operand 1444 states and 2000 transitions. Second operand has 9 states, 9 states have (on average 21.0) internal successors, (189), 9 states have internal predecessors, (189), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 18:13:40,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:40,170 INFO L93 Difference]: Finished difference Result 2725 states and 3796 transitions. [2025-02-06 18:13:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:13:40,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.0) internal successors, (189), 9 states have internal predecessors, (189), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 195 [2025-02-06 18:13:40,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:40,176 INFO L225 Difference]: With dead ends: 2725 [2025-02-06 18:13:40,176 INFO L226 Difference]: Without dead ends: 1455 [2025-02-06 18:13:40,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:13:40,178 INFO L435 NwaCegarLoop]: 555 mSDtfsCounter, 4 mSDsluCounter, 2202 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:40,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2757 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:13:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2025-02-06 18:13:40,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1453. [2025-02-06 18:13:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1416 states have (on average 1.3785310734463276) internal successors, (1952), 1431 states have internal predecessors, (1952), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2014 transitions. [2025-02-06 18:13:40,204 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2014 transitions. Word has length 195 [2025-02-06 18:13:40,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:40,204 INFO L471 AbstractCegarLoop]: Abstraction has 1453 states and 2014 transitions. [2025-02-06 18:13:40,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.0) internal successors, (189), 9 states have internal predecessors, (189), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 18:13:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2014 transitions. [2025-02-06 18:13:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-02-06 18:13:40,206 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:40,206 INFO L218 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1] [2025-02-06 18:13:40,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 18:13:40,406 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,SelfDestructingSolverStorable16 [2025-02-06 18:13:40,407 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:40,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:40,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1346583074, now seen corresponding path program 2 times [2025-02-06 18:13:40,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:40,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623930970] [2025-02-06 18:13:40,408 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:13:40,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:40,463 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-06 18:13:40,790 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-06 18:13:40,790 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:13:40,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-02-06 18:13:41,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623930970] [2025-02-06 18:13:41,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623930970] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397251905] [2025-02-06 18:13:41,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:13:41,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:41,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:41,098 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) [2025-02-06 18:13:41,099 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 [2025-02-06 18:13:41,458 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-06 18:13:41,701 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-06 18:13:41,701 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:13:41,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:41,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-06 18:13:41,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 83 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 18:13:41,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:13:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 18:13:41,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397251905] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:13:41,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:13:41,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 18 [2025-02-06 18:13:41,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709215283] [2025-02-06 18:13:41,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:13:41,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 18:13:41,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:41,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 18:13:41,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-02-06 18:13:41,883 INFO L87 Difference]: Start difference. First operand 1453 states and 2014 transitions. Second operand has 18 states, 18 states have (on average 11.222222222222221) internal successors, (202), 18 states have internal predecessors, (202), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 18:13:42,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:42,280 INFO L93 Difference]: Finished difference Result 2634 states and 3670 transitions. [2025-02-06 18:13:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 18:13:42,280 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.222222222222221) internal successors, (202), 18 states have internal predecessors, (202), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 203 [2025-02-06 18:13:42,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:42,284 INFO L225 Difference]: With dead ends: 2634 [2025-02-06 18:13:42,284 INFO L226 Difference]: Without dead ends: 1227 [2025-02-06 18:13:42,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=236, Invalid=756, Unknown=0, NotChecked=0, Total=992 [2025-02-06 18:13:42,287 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 42 mSDsluCounter, 2330 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:42,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2804 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:13:42,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2025-02-06 18:13:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1223. [2025-02-06 18:13:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1186 states have (on average 1.360876897133221) internal successors, (1614), 1201 states have internal predecessors, (1614), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1676 transitions. [2025-02-06 18:13:42,305 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1676 transitions. Word has length 203 [2025-02-06 18:13:42,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:42,305 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1676 transitions. [2025-02-06 18:13:42,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.222222222222221) internal successors, (202), 18 states have internal predecessors, (202), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 18:13:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1676 transitions. [2025-02-06 18:13:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2025-02-06 18:13:42,306 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:42,307 INFO L218 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1] [2025-02-06 18:13:42,318 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 [2025-02-06 18:13:42,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:42,508 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:42,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -537007096, now seen corresponding path program 3 times [2025-02-06 18:13:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:42,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112889] [2025-02-06 18:13:42,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 18:13:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:42,569 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 217 statements into 14 equivalence classes. [2025-02-06 18:13:42,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 96 of 217 statements. [2025-02-06 18:13:42,583 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 18:13:42,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2025-02-06 18:13:42,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:42,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112889] [2025-02-06 18:13:42,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112889] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:42,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:42,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 18:13:42,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697858043] [2025-02-06 18:13:42,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:42,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:13:42,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:42,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:13:42,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:13:42,797 INFO L87 Difference]: Start difference. First operand 1223 states and 1676 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:43,145 INFO L93 Difference]: Finished difference Result 2406 states and 3309 transitions. [2025-02-06 18:13:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:13:43,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 217 [2025-02-06 18:13:43,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:43,150 INFO L225 Difference]: With dead ends: 2406 [2025-02-06 18:13:43,150 INFO L226 Difference]: Without dead ends: 1238 [2025-02-06 18:13:43,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 18:13:43,152 INFO L435 NwaCegarLoop]: 480 mSDtfsCounter, 12 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2570 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:43,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2570 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:13:43,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2025-02-06 18:13:43,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1223. [2025-02-06 18:13:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1186 states have (on average 1.360876897133221) internal successors, (1614), 1201 states have internal predecessors, (1614), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1676 transitions. [2025-02-06 18:13:43,171 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1676 transitions. Word has length 217 [2025-02-06 18:13:43,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:43,171 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1676 transitions. [2025-02-06 18:13:43,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1676 transitions. [2025-02-06 18:13:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2025-02-06 18:13:43,172 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:43,172 INFO L218 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1] [2025-02-06 18:13:43,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 18:13:43,172 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:43,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash 457087499, now seen corresponding path program 1 times [2025-02-06 18:13:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511297845] [2025-02-06 18:13:43,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:43,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:43,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 218 statements into 1 equivalence classes. [2025-02-06 18:13:43,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 218 of 218 statements. [2025-02-06 18:13:43,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:43,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2025-02-06 18:13:43,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:43,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511297845] [2025-02-06 18:13:43,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511297845] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:43,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:43,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-06 18:13:43,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236344847] [2025-02-06 18:13:43,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:43,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 18:13:43,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:43,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 18:13:43,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:13:43,657 INFO L87 Difference]: Start difference. First operand 1223 states and 1676 transitions. Second operand has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:43,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:43,969 INFO L93 Difference]: Finished difference Result 2416 states and 3319 transitions. [2025-02-06 18:13:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 18:13:43,970 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 218 [2025-02-06 18:13:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:43,974 INFO L225 Difference]: With dead ends: 2416 [2025-02-06 18:13:43,974 INFO L226 Difference]: Without dead ends: 1253 [2025-02-06 18:13:43,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:13:43,975 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 20 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3067 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:43,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3067 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:13:43,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2025-02-06 18:13:43,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1244. [2025-02-06 18:13:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1207 states have (on average 1.35956917978459) internal successors, (1641), 1222 states have internal predecessors, (1641), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1703 transitions. [2025-02-06 18:13:43,993 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1703 transitions. Word has length 218 [2025-02-06 18:13:43,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:43,993 INFO L471 AbstractCegarLoop]: Abstraction has 1244 states and 1703 transitions. [2025-02-06 18:13:43,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1703 transitions. [2025-02-06 18:13:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2025-02-06 18:13:43,994 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:43,994 INFO L218 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1] [2025-02-06 18:13:43,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-06 18:13:43,995 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:43,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:43,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1450065852, now seen corresponding path program 1 times [2025-02-06 18:13:43,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:43,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305719167] [2025-02-06 18:13:43,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:43,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:44,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 218 statements into 1 equivalence classes. [2025-02-06 18:13:44,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 218 of 218 statements. [2025-02-06 18:13:44,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:44,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2025-02-06 18:13:44,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:44,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305719167] [2025-02-06 18:13:44,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305719167] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:44,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581590880] [2025-02-06 18:13:44,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:45,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:45,001 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) [2025-02-06 18:13:45,003 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 [2025-02-06 18:13:45,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 218 statements into 1 equivalence classes. [2025-02-06 18:13:45,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 218 of 218 statements. [2025-02-06 18:13:45,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:45,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:45,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 18:13:45,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2025-02-06 18:13:45,905 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:13:45,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581590880] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:45,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:13:45,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2025-02-06 18:13:45,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398209167] [2025-02-06 18:13:45,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:45,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 18:13:45,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:45,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 18:13:45,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2025-02-06 18:13:45,907 INFO L87 Difference]: Start difference. First operand 1244 states and 1703 transitions. Second operand has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:46,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:46,262 INFO L93 Difference]: Finished difference Result 2451 states and 3364 transitions. [2025-02-06 18:13:46,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 18:13:46,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 218 [2025-02-06 18:13:46,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:46,267 INFO L225 Difference]: With dead ends: 2451 [2025-02-06 18:13:46,267 INFO L226 Difference]: Without dead ends: 1274 [2025-02-06 18:13:46,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2025-02-06 18:13:46,269 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 17 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:46,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3011 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:13:46,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2025-02-06 18:13:46,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1259. [2025-02-06 18:13:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1222 states have (on average 1.3576104746317512) internal successors, (1659), 1237 states have internal predecessors, (1659), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1721 transitions. [2025-02-06 18:13:46,285 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1721 transitions. Word has length 218 [2025-02-06 18:13:46,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:46,285 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1721 transitions. [2025-02-06 18:13:46,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1721 transitions. [2025-02-06 18:13:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2025-02-06 18:13:46,287 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:46,287 INFO L218 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1, 1] [2025-02-06 18:13:46,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 18:13:46,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:46,488 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:46,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1264136250, now seen corresponding path program 1 times [2025-02-06 18:13:46,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:46,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317037130] [2025-02-06 18:13:46,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:46,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-02-06 18:13:46,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-02-06 18:13:46,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:46,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2025-02-06 18:13:46,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:46,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317037130] [2025-02-06 18:13:46,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317037130] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:13:46,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:13:46,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 18:13:46,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22049226] [2025-02-06 18:13:46,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:13:46,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 18:13:46,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:13:46,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 18:13:46,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:13:46,933 INFO L87 Difference]: Start difference. First operand 1259 states and 1721 transitions. Second operand has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:47,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:13:47,280 INFO L93 Difference]: Finished difference Result 2478 states and 3400 transitions. [2025-02-06 18:13:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:13:47,280 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 219 [2025-02-06 18:13:47,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:13:47,284 INFO L225 Difference]: With dead ends: 2478 [2025-02-06 18:13:47,284 INFO L226 Difference]: Without dead ends: 1286 [2025-02-06 18:13:47,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:13:47,286 INFO L435 NwaCegarLoop]: 481 mSDtfsCounter, 23 mSDsluCounter, 3003 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3484 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:13:47,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3484 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:13:47,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2025-02-06 18:13:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1268. [2025-02-06 18:13:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1231 states have (on average 1.354995938261576) internal successors, (1668), 1246 states have internal predecessors, (1668), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:13:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1730 transitions. [2025-02-06 18:13:47,302 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1730 transitions. Word has length 219 [2025-02-06 18:13:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:13:47,302 INFO L471 AbstractCegarLoop]: Abstraction has 1268 states and 1730 transitions. [2025-02-06 18:13:47,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 18:13:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1730 transitions. [2025-02-06 18:13:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2025-02-06 18:13:47,303 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:13:47,304 INFO L218 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1, 1] [2025-02-06 18:13:47,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-06 18:13:47,304 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:13:47,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:13:47,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2023042783, now seen corresponding path program 1 times [2025-02-06 18:13:47,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:13:47,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021321101] [2025-02-06 18:13:47,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:47,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:13:47,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-02-06 18:13:47,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-02-06 18:13:47,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:47,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2025-02-06 18:13:48,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:13:48,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021321101] [2025-02-06 18:13:48,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021321101] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:13:48,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882781145] [2025-02-06 18:13:48,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:13:48,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:13:48,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:13:48,291 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:13:48,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 18:13:48,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-02-06 18:13:49,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-02-06 18:13:49,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:13:49,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:13:49,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-02-06 18:13:49,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 158 proven. 15 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-02-06 18:13:49,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 162 refuted. 3 times theorem prover too weak. 288 trivial. 0 not checked. [2025-02-06 18:14:01,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882781145] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:01,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:01,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2025-02-06 18:14:01,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610728877] [2025-02-06 18:14:01,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:01,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-06 18:14:01,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:01,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-06 18:14:01,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=275, Unknown=3, NotChecked=0, Total=420 [2025-02-06 18:14:01,680 INFO L87 Difference]: Start difference. First operand 1268 states and 1730 transitions. Second operand has 21 states, 21 states have (on average 9.666666666666666) internal successors, (203), 21 states have internal predecessors, (203), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 18:14:02,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:02,396 INFO L93 Difference]: Finished difference Result 2439 states and 3351 transitions. [2025-02-06 18:14:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 18:14:02,396 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 9.666666666666666) internal successors, (203), 21 states have internal predecessors, (203), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 219 [2025-02-06 18:14:02,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:02,400 INFO L225 Difference]: With dead ends: 2439 [2025-02-06 18:14:02,401 INFO L226 Difference]: Without dead ends: 1275 [2025-02-06 18:14:02,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=367, Invalid=622, Unknown=3, NotChecked=0, Total=992 [2025-02-06 18:14:02,403 INFO L435 NwaCegarLoop]: 488 mSDtfsCounter, 9 mSDsluCounter, 2908 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:02,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3396 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:14:02,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2025-02-06 18:14:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1275. [2025-02-06 18:14:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1238 states have (on average 1.3521809369951534) internal successors, (1674), 1253 states have internal predecessors, (1674), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2025-02-06 18:14:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1736 transitions. [2025-02-06 18:14:02,429 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1736 transitions. Word has length 219 [2025-02-06 18:14:02,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:02,429 INFO L471 AbstractCegarLoop]: Abstraction has 1275 states and 1736 transitions. [2025-02-06 18:14:02,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.666666666666666) internal successors, (203), 21 states have internal predecessors, (203), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 18:14:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1736 transitions. [2025-02-06 18:14:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2025-02-06 18:14:02,431 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:02,431 INFO L218 NwaCegarLoop]: trace histogram [40, 4, 4, 4, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1, 1] [2025-02-06 18:14:02,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 18:14:02,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:02,632 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:14:02,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:02,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1936547319, now seen corresponding path program 2 times [2025-02-06 18:14:02,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:02,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974960206] [2025-02-06 18:14:02,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:14:02,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:02,712 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 233 statements into 2 equivalence classes. [2025-02-06 18:14:03,292 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 233 of 233 statements. [2025-02-06 18:14:03,293 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:14:03,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 5 proven. 487 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2025-02-06 18:14:03,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974960206] [2025-02-06 18:14:03,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974960206] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115012728] [2025-02-06 18:14:03,939 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:14:03,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:03,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:03,940 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:03,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 18:14:04,418 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 233 statements into 2 equivalence classes. [2025-02-06 18:14:05,169 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 233 of 233 statements. [2025-02-06 18:14:05,169 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:14:05,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:05,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 1641 conjuncts, 225 conjuncts are in the unsatisfiable core [2025-02-06 18:14:05,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:05,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-02-06 18:14:05,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:14:05,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2025-02-06 18:14:05,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-02-06 18:14:05,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-02-06 18:14:05,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-02-06 18:14:05,684 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-02-06 18:14:05,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-02-06 18:14:05,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-06 18:14:05,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2025-02-06 18:14:05,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-02-06 18:14:06,137 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-02-06 18:14:06,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2025-02-06 18:14:06,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2025-02-06 18:14:14,155 INFO L224 Elim1Store]: Index analysis took 210 ms