./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.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_BER_nondet_test4-1.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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:08:34,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:08:34,487 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:08:34,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:08:34,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:08:34,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:08:34,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:08:34,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:08:34,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:08:34,518 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:08:34,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:08:34,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:08:34,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:08:34,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:08:34,520 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:08:34,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:08:34,521 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:08:34,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:08:34,522 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:08:34,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:08:34,522 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:08:34,522 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:08:34,522 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:08:34,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:08:34,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:08:34,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:08:34,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:08:34,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:08:34,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:08:34,523 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:08:34,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:08:34,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:08:34,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:08:34,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:08:34,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:08:34,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:08:34,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:08:34,524 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 -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2025-02-06 18:08:34,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:08:34,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:08:34,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:08:34,813 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:08:34,813 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:08:34,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2025-02-06 18:08:36,137 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/327a3819b/dd974326f2a749c2b2024be6be1d481f/FLAG1badec133 [2025-02-06 18:08:36,538 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:08:36,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2025-02-06 18:08:36,563 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/327a3819b/dd974326f2a749c2b2024be6be1d481f/FLAG1badec133 [2025-02-06 18:08:36,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/327a3819b/dd974326f2a749c2b2024be6be1d481f [2025-02-06 18:08:36,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:08:36,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:08:36,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:08:36,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:08:36,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:08:36,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:08:36" (1/1) ... [2025-02-06 18:08:36,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2140d6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:36, skipping insertion in model container [2025-02-06 18:08:36,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:08:36" (1/1) ... [2025-02-06 18:08:36,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:08:37,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:08:37,140 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:08:37,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:08:37,295 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:08:37,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37 WrapperNode [2025-02-06 18:08:37,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:08:37,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:08:37,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:08:37,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:08:37,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,400 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1509 [2025-02-06 18:08:37,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:08:37,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:08:37,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:08:37,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:08:37,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,430 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,530 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2025-02-06 18:08:37,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:08:37,635 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:08:37,635 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:08:37,635 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:08:37,636 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (1/1) ... [2025-02-06 18:08:37,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:08:37,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:37,672 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 18:08:37,677 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 18:08:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:08:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:08:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:08:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:08:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 18:08:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 18:08:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 18:08:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 18:08:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:08:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:08:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:08:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:08:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:08:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:08:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:08:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:08:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:08:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:08:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:08:37,942 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:08:37,943 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:08:39,661 INFO L? ?]: Removed 381 outVars from TransFormulas that were not future-live. [2025-02-06 18:08:39,661 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:08:39,719 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:08:39,719 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-06 18:08:39,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:08:39 BoogieIcfgContainer [2025-02-06 18:08:39,720 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:08:39,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:08:39,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:08:39,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:08:39,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:08:36" (1/3) ... [2025-02-06 18:08:39,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcfc0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:08:39, skipping insertion in model container [2025-02-06 18:08:39,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:37" (2/3) ... [2025-02-06 18:08:39,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcfc0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:08:39, skipping insertion in model container [2025-02-06 18:08:39,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:08:39" (3/3) ... [2025-02-06 18:08:39,732 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test4-1.i [2025-02-06 18:08:39,747 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:08:39,749 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_nondet_test4-1.i that has 3 procedures, 409 locations, 1 initial locations, 36 loop locations, and 4 error locations. [2025-02-06 18:08:39,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:08:39,821 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;@7e1bff82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:08:39,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 18:08:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 405 states, 393 states have (on average 1.6106870229007633) internal successors, (633), 397 states have internal predecessors, (633), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 18:08:39,830 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:39,830 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:39,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:39,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:39,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1598342768, now seen corresponding path program 1 times [2025-02-06 18:08:39,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:39,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645301875] [2025-02-06 18:08:39,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:39,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:08:39,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:08:39,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:39,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:39,979 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 18:08:39,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:39,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645301875] [2025-02-06 18:08:39,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645301875] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:39,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:39,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:08:39,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280421930] [2025-02-06 18:08:39,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:39,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 18:08:39,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:40,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 18:08:40,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 18:08:40,014 INFO L87 Difference]: Start difference. First operand has 405 states, 393 states have (on average 1.6106870229007633) internal successors, (633), 397 states have internal predecessors, (633), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:40,161 INFO L93 Difference]: Finished difference Result 805 states and 1285 transitions. [2025-02-06 18:08:40,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 18:08:40,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 18:08:40,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:40,176 INFO L225 Difference]: With dead ends: 805 [2025-02-06 18:08:40,176 INFO L226 Difference]: Without dead ends: 394 [2025-02-06 18:08:40,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 18:08:40,186 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:40,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 536 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:40,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-02-06 18:08:40,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2025-02-06 18:08:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 384 states have (on average 1.4479166666666667) internal successors, (556), 386 states have internal predecessors, (556), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 568 transitions. [2025-02-06 18:08:40,241 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 568 transitions. Word has length 7 [2025-02-06 18:08:40,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:40,242 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 568 transitions. [2025-02-06 18:08:40,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,242 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 568 transitions. [2025-02-06 18:08:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 18:08:40,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:40,242 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:40,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:08:40,244 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:40,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:40,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1990951304, now seen corresponding path program 1 times [2025-02-06 18:08:40,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:40,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262564937] [2025-02-06 18:08:40,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:40,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:40,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:08:40,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:08:40,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:40,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 18:08:40,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160678747] [2025-02-06 18:08:40,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:40,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:40,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:40,289 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 18:08:40,291 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 18:08:40,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:08:40,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:08:40,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:40,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:40,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:08:40,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:40,495 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 18:08:40,495 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:40,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262564937] [2025-02-06 18:08:40,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 18:08:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160678747] [2025-02-06 18:08:40,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160678747] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:40,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:40,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:08:40,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499348173] [2025-02-06 18:08:40,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:40,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:08:40,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:40,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:08:40,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:40,501 INFO L87 Difference]: Start difference. First operand 394 states and 568 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:40,705 INFO L93 Difference]: Finished difference Result 777 states and 1125 transitions. [2025-02-06 18:08:40,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:08:40,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-06 18:08:40,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:40,714 INFO L225 Difference]: With dead ends: 777 [2025-02-06 18:08:40,714 INFO L226 Difference]: Without dead ends: 776 [2025-02-06 18:08:40,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 18:08:40,716 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 539 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:40,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1082 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:08:40,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2025-02-06 18:08:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 399. [2025-02-06 18:08:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 389 states have (on average 1.442159383033419) internal successors, (561), 391 states have internal predecessors, (561), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 573 transitions. [2025-02-06 18:08:40,753 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 573 transitions. Word has length 8 [2025-02-06 18:08:40,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:40,754 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 573 transitions. [2025-02-06 18:08:40,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,754 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 573 transitions. [2025-02-06 18:08:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-06 18:08:40,761 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:40,761 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, 1] [2025-02-06 18:08:40,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 18:08:40,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:40,966 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:40,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1862794265, now seen corresponding path program 1 times [2025-02-06 18:08:40,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:40,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022530327] [2025-02-06 18:08:40,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:41,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-06 18:08:41,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-06 18:08:41,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:41,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:41,686 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 18:08:41,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:41,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022530327] [2025-02-06 18:08:41,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022530327] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:41,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:41,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:08:41,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356938163] [2025-02-06 18:08:41,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:41,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:41,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:41,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:41,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:41,689 INFO L87 Difference]: Start difference. First operand 399 states and 573 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 18:08:41,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:41,871 INFO L93 Difference]: Finished difference Result 793 states and 1141 transitions. [2025-02-06 18:08:41,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:41,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 150 [2025-02-06 18:08:41,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:41,874 INFO L225 Difference]: With dead ends: 793 [2025-02-06 18:08:41,874 INFO L226 Difference]: Without dead ends: 402 [2025-02-06 18:08:41,875 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 18:08:41,876 INFO L435 NwaCegarLoop]: 497 mSDtfsCounter, 106 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:41,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1407 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:08:41,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-02-06 18:08:41,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 399. [2025-02-06 18:08:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 389 states have (on average 1.424164524421594) internal successors, (554), 391 states have internal predecessors, (554), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 566 transitions. [2025-02-06 18:08:41,892 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 566 transitions. Word has length 150 [2025-02-06 18:08:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:41,893 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 566 transitions. [2025-02-06 18:08:41,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 18:08:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 566 transitions. [2025-02-06 18:08:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-06 18:08:41,902 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:41,903 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, 1] [2025-02-06 18:08:41,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:08:41,903 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:41,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:41,904 INFO L85 PathProgramCache]: Analyzing trace with hash 169851570, now seen corresponding path program 1 times [2025-02-06 18:08:41,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:41,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043970510] [2025-02-06 18:08:41,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:41,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:41,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-06 18:08:41,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-06 18:08:41,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:41,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:42,275 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 18:08:42,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:42,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043970510] [2025-02-06 18:08:42,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043970510] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:42,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:42,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:42,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159269582] [2025-02-06 18:08:42,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:42,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:08:42,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:42,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:08:42,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:42,280 INFO L87 Difference]: Start difference. First operand 399 states and 566 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 18:08:42,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:42,418 INFO L93 Difference]: Finished difference Result 796 states and 1133 transitions. [2025-02-06 18:08:42,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:08:42,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 150 [2025-02-06 18:08:42,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:42,421 INFO L225 Difference]: With dead ends: 796 [2025-02-06 18:08:42,423 INFO L226 Difference]: Without dead ends: 405 [2025-02-06 18:08:42,424 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 18:08:42,426 INFO L435 NwaCegarLoop]: 511 mSDtfsCounter, 2 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1000 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 18:08:42,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1000 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:42,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-02-06 18:08:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-02-06 18:08:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 395 states have (on average 1.4177215189873418) internal successors, (560), 397 states have internal predecessors, (560), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 572 transitions. [2025-02-06 18:08:42,442 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 572 transitions. Word has length 150 [2025-02-06 18:08:42,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:42,444 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 572 transitions. [2025-02-06 18:08:42,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 18:08:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 572 transitions. [2025-02-06 18:08:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-06 18:08:42,447 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:42,447 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, 1] [2025-02-06 18:08:42,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 18:08:42,448 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:42,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:42,448 INFO L85 PathProgramCache]: Analyzing trace with hash -952427629, now seen corresponding path program 1 times [2025-02-06 18:08:42,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:42,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222439383] [2025-02-06 18:08:42,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:42,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:42,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-06 18:08:42,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-06 18:08:42,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:42,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:42,738 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 18:08:42,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:42,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222439383] [2025-02-06 18:08:42,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222439383] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:42,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:42,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:42,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519910647] [2025-02-06 18:08:42,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:42,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:08:42,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:42,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:08:42,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:42,743 INFO L87 Difference]: Start difference. First operand 405 states and 572 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 18:08:42,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:42,910 INFO L93 Difference]: Finished difference Result 934 states and 1328 transitions. [2025-02-06 18:08:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:08:42,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 150 [2025-02-06 18:08:42,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:42,918 INFO L225 Difference]: With dead ends: 934 [2025-02-06 18:08:42,918 INFO L226 Difference]: Without dead ends: 537 [2025-02-06 18:08:42,919 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 18:08:42,920 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 134 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1024 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 18:08:42,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1024 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-02-06 18:08:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2025-02-06 18:08:42,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 527 states have (on average 1.4250474383301708) internal successors, (751), 529 states have internal predecessors, (751), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 763 transitions. [2025-02-06 18:08:42,944 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 763 transitions. Word has length 150 [2025-02-06 18:08:42,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:42,944 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 763 transitions. [2025-02-06 18:08:42,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 18:08:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 763 transitions. [2025-02-06 18:08:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-06 18:08:42,947 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:42,948 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, 1] [2025-02-06 18:08:42,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 18:08:42,949 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:42,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:42,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1100202617, now seen corresponding path program 1 times [2025-02-06 18:08:42,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:42,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28179047] [2025-02-06 18:08:42,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:42,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:43,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-02-06 18:08:43,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-02-06 18:08:43,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:43,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:43,372 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 18:08:43,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:43,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28179047] [2025-02-06 18:08:43,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28179047] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:43,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:43,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:08:43,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68564702] [2025-02-06 18:08:43,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:43,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:43,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:43,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:43,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:43,378 INFO L87 Difference]: Start difference. First operand 537 states and 763 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 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 18:08:43,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:43,550 INFO L93 Difference]: Finished difference Result 892 states and 1261 transitions. [2025-02-06 18:08:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:08:43,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 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 165 [2025-02-06 18:08:43,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:43,553 INFO L225 Difference]: With dead ends: 892 [2025-02-06 18:08:43,553 INFO L226 Difference]: Without dead ends: 495 [2025-02-06 18:08:43,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 18:08:43,555 INFO L435 NwaCegarLoop]: 425 mSDtfsCounter, 30 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:43,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1256 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-02-06 18:08:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2025-02-06 18:08:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 485 states have (on average 1.3896907216494845) internal successors, (674), 487 states have internal predecessors, (674), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 686 transitions. [2025-02-06 18:08:43,574 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 686 transitions. Word has length 165 [2025-02-06 18:08:43,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:43,574 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 686 transitions. [2025-02-06 18:08:43,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 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 18:08:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 686 transitions. [2025-02-06 18:08:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-06 18:08:43,577 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:43,577 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, 1] [2025-02-06 18:08:43,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:08:43,577 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:43,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:43,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1788483585, now seen corresponding path program 1 times [2025-02-06 18:08:43,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:43,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849815981] [2025-02-06 18:08:43,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:43,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:43,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-02-06 18:08:43,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-02-06 18:08:43,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:43,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:43,873 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 18:08:43,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:43,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849815981] [2025-02-06 18:08:43,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849815981] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:43,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:43,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:43,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875593100] [2025-02-06 18:08:43,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:43,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:08:43,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:43,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:08:43,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:43,875 INFO L87 Difference]: Start difference. First operand 495 states and 686 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 18:08:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:44,037 INFO L93 Difference]: Finished difference Result 994 states and 1369 transitions. [2025-02-06 18:08:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:08:44,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 165 [2025-02-06 18:08:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:44,042 INFO L225 Difference]: With dead ends: 994 [2025-02-06 18:08:44,042 INFO L226 Difference]: Without dead ends: 639 [2025-02-06 18:08:44,043 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 18:08:44,043 INFO L435 NwaCegarLoop]: 442 mSDtfsCounter, 242 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:44,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 876 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:44,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2025-02-06 18:08:44,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 639. [2025-02-06 18:08:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 626 states have (on average 1.378594249201278) internal successors, (863), 628 states have internal predecessors, (863), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 18:08:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 881 transitions. [2025-02-06 18:08:44,066 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 881 transitions. Word has length 165 [2025-02-06 18:08:44,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:44,067 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 881 transitions. [2025-02-06 18:08:44,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 18:08:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 881 transitions. [2025-02-06 18:08:44,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-02-06 18:08:44,068 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:44,069 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] [2025-02-06 18:08:44,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 18:08:44,069 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:44,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:44,069 INFO L85 PathProgramCache]: Analyzing trace with hash -779874671, now seen corresponding path program 1 times [2025-02-06 18:08:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:44,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671737139] [2025-02-06 18:08:44,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:44,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:44,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-02-06 18:08:44,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-02-06 18:08:44,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:44,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:44,517 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 18:08:44,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:44,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671737139] [2025-02-06 18:08:44,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671737139] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:44,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:44,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:44,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317346778] [2025-02-06 18:08:44,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:44,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:44,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:44,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:44,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:44,520 INFO L87 Difference]: Start difference. First operand 639 states and 881 transitions. Second operand has 4 states, 3 states have (on average 54.333333333333336) internal successors, (163), 4 states have internal predecessors, (163), 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 18:08:44,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:44,681 INFO L93 Difference]: Finished difference Result 704 states and 966 transitions. [2025-02-06 18:08:44,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:44,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 54.333333333333336) internal successors, (163), 4 states have internal predecessors, (163), 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 180 [2025-02-06 18:08:44,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:44,685 INFO L225 Difference]: With dead ends: 704 [2025-02-06 18:08:44,685 INFO L226 Difference]: Without dead ends: 702 [2025-02-06 18:08:44,686 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 18:08:44,686 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 293 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:44,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1302 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:44,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2025-02-06 18:08:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2025-02-06 18:08:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 686 states have (on average 1.370262390670554) internal successors, (940), 688 states have internal predecessors, (940), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 18:08:44,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 964 transitions. [2025-02-06 18:08:44,712 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 964 transitions. Word has length 180 [2025-02-06 18:08:44,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:44,712 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 964 transitions. [2025-02-06 18:08:44,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 54.333333333333336) internal successors, (163), 4 states have internal predecessors, (163), 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 18:08:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 964 transitions. [2025-02-06 18:08:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 18:08:44,717 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:44,717 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 18:08:44,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 18:08:44,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:44,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:44,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1137850149, now seen corresponding path program 1 times [2025-02-06 18:08:44,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:44,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139752340] [2025-02-06 18:08:44,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:44,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:44,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 18:08:45,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 18:08:45,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:45,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:45,929 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 18:08:45,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:45,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139752340] [2025-02-06 18:08:45,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139752340] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:45,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931603407] [2025-02-06 18:08:45,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:45,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:45,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:45,932 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 18:08:45,935 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 18:08:46,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 18:08:46,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 18:08:46,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:46,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:46,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-06 18:08:46,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:46,598 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 18:08:46,620 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 27 treesize of output 11 [2025-02-06 18:08:47,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 18:08:47,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2025-02-06 18:08:47,368 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 18:08:47,368 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:47,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931603407] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:47,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:47,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-06 18:08:47,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391358693] [2025-02-06 18:08:47,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:47,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 18:08:47,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:47,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 18:08:47,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:08:47,370 INFO L87 Difference]: Start difference. First operand 702 states and 964 transitions. Second operand has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 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 18:08:50,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:08:51,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:51,798 INFO L93 Difference]: Finished difference Result 1349 states and 1846 transitions. [2025-02-06 18:08:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 18:08:51,799 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 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 18:08:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:51,802 INFO L225 Difference]: With dead ends: 1349 [2025-02-06 18:08:51,802 INFO L226 Difference]: Without dead ends: 740 [2025-02-06 18:08:51,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2025-02-06 18:08:51,805 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 724 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 2786 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:51,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 2786 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-02-06 18:08:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2025-02-06 18:08:51,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 733. [2025-02-06 18:08:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 717 states have (on average 1.3612273361227336) internal successors, (976), 719 states have internal predecessors, (976), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 18:08:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1000 transitions. [2025-02-06 18:08:51,829 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1000 transitions. Word has length 186 [2025-02-06 18:08:51,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:51,829 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1000 transitions. [2025-02-06 18:08:51,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 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 18:08:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1000 transitions. [2025-02-06 18:08:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 18:08:51,832 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:51,832 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 18:08:51,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 18:08:52,033 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 18:08:52,033 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:52,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:52,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1794720419, now seen corresponding path program 1 times [2025-02-06 18:08:52,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:52,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078638670] [2025-02-06 18:08:52,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:52,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:52,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 18:08:52,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 18:08:52,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:52,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:52,262 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 18:08:52,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:52,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078638670] [2025-02-06 18:08:52,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078638670] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:52,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:52,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:08:52,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782394722] [2025-02-06 18:08:52,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:52,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:52,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:52,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:52,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:52,265 INFO L87 Difference]: Start difference. First operand 733 states and 1000 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 18:08:52,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:52,375 INFO L93 Difference]: Finished difference Result 1298 states and 1764 transitions. [2025-02-06 18:08:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:08:52,375 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 18:08:52,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:52,379 INFO L225 Difference]: With dead ends: 1298 [2025-02-06 18:08:52,379 INFO L226 Difference]: Without dead ends: 594 [2025-02-06 18:08:52,381 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 18:08:52,381 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 9 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:52,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1052 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:52,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2025-02-06 18:08:52,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2025-02-06 18:08:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 578 states have (on average 1.3269896193771626) internal successors, (767), 580 states have internal predecessors, (767), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 18:08:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 791 transitions. [2025-02-06 18:08:52,401 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 791 transitions. Word has length 186 [2025-02-06 18:08:52,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:52,402 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 791 transitions. [2025-02-06 18:08:52,402 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 18:08:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 791 transitions. [2025-02-06 18:08:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-02-06 18:08:52,404 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:52,404 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 18:08:52,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 18:08:52,404 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:52,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1786712375, now seen corresponding path program 1 times [2025-02-06 18:08:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:52,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059684421] [2025-02-06 18:08:52,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:52,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-02-06 18:08:53,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-02-06 18:08:53,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:53,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:53,317 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 18:08:53,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:53,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059684421] [2025-02-06 18:08:53,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059684421] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:53,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453935098] [2025-02-06 18:08:53,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:53,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:53,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:53,322 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 18:08:53,325 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 18:08:53,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-02-06 18:08:54,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-02-06 18:08:54,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:54,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:54,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 18:08:54,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:54,100 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 18:08:54,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:54,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453935098] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:54,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:54,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-06 18:08:54,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646585972] [2025-02-06 18:08:54,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:54,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:54,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:54,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:54,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:08:54,102 INFO L87 Difference]: Start difference. First operand 594 states and 791 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 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 18:08:54,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:54,296 INFO L93 Difference]: Finished difference Result 1149 states and 1541 transitions. [2025-02-06 18:08:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:54,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 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 18:08:54,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:54,300 INFO L225 Difference]: With dead ends: 1149 [2025-02-06 18:08:54,300 INFO L226 Difference]: Without dead ends: 594 [2025-02-06 18:08:54,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 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 18:08:54,303 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 13 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:54,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 978 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:08:54,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2025-02-06 18:08:54,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2025-02-06 18:08:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 578 states have (on average 1.3235294117647058) internal successors, (765), 580 states have internal predecessors, (765), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 18:08:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 789 transitions. [2025-02-06 18:08:54,329 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 789 transitions. Word has length 187 [2025-02-06 18:08:54,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:54,331 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 789 transitions. [2025-02-06 18:08:54,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 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 18:08:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 789 transitions. [2025-02-06 18:08:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-02-06 18:08:54,333 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:54,334 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 18:08:54,348 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 18:08:54,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:54,534 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:54,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:54,535 INFO L85 PathProgramCache]: Analyzing trace with hash -744438552, now seen corresponding path program 1 times [2025-02-06 18:08:54,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:54,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055055305] [2025-02-06 18:08:54,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:54,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 18:08:54,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 18:08:54,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:54,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:55,032 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 18:08:55,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:55,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055055305] [2025-02-06 18:08:55,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055055305] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:55,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:55,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 18:08:55,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809778322] [2025-02-06 18:08:55,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:55,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:08:55,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:55,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:08:55,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:08:55,035 INFO L87 Difference]: Start difference. First operand 594 states and 789 transitions. Second operand has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 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 18:08:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:55,373 INFO L93 Difference]: Finished difference Result 1152 states and 1543 transitions. [2025-02-06 18:08:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:08:55,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 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 18:08:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:55,377 INFO L225 Difference]: With dead ends: 1152 [2025-02-06 18:08:55,377 INFO L226 Difference]: Without dead ends: 600 [2025-02-06 18:08:55,379 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 18:08:55,379 INFO L435 NwaCegarLoop]: 362 mSDtfsCounter, 4 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:55,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1554 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:08:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2025-02-06 18:08:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2025-02-06 18:08:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 584 states have (on average 1.3202054794520548) internal successors, (771), 586 states have internal predecessors, (771), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 18:08:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 795 transitions. [2025-02-06 18:08:55,399 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 795 transitions. Word has length 188 [2025-02-06 18:08:55,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:55,399 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 795 transitions. [2025-02-06 18:08:55,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 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 18:08:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 795 transitions. [2025-02-06 18:08:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-06 18:08:55,403 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:55,403 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, 1] [2025-02-06 18:08:55,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 18:08:55,403 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:55,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:55,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1709446117, now seen corresponding path program 1 times [2025-02-06 18:08:55,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:55,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13408035] [2025-02-06 18:08:55,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:55,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-06 18:08:55,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-06 18:08:55,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:55,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:55,871 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 18:08:55,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:55,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13408035] [2025-02-06 18:08:55,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13408035] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:55,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:55,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 18:08:55,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586125201] [2025-02-06 18:08:55,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:55,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:08:55,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:55,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:08:55,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:08:55,874 INFO L87 Difference]: Start difference. First operand 600 states and 795 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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 18:08:56,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:56,257 INFO L93 Difference]: Finished difference Result 1158 states and 1547 transitions. [2025-02-06 18:08:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:08:56,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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 189 [2025-02-06 18:08:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:56,261 INFO L225 Difference]: With dead ends: 1158 [2025-02-06 18:08:56,261 INFO L226 Difference]: Without dead ends: 610 [2025-02-06 18:08:56,262 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 18:08:56,263 INFO L435 NwaCegarLoop]: 354 mSDtfsCounter, 8 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:56,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1842 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:08:56,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2025-02-06 18:08:56,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 608. [2025-02-06 18:08:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 592 states have (on average 1.3192567567567568) internal successors, (781), 594 states have internal predecessors, (781), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 18:08:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 805 transitions. [2025-02-06 18:08:56,280 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 805 transitions. Word has length 189 [2025-02-06 18:08:56,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:56,280 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 805 transitions. [2025-02-06 18:08:56,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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 18:08:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 805 transitions. [2025-02-06 18:08:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-06 18:08:56,283 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:56,284 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, 1] [2025-02-06 18:08:56,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 18:08:56,285 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:56,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:56,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1005199921, now seen corresponding path program 1 times [2025-02-06 18:08:56,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:56,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172961249] [2025-02-06 18:08:56,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:56,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:56,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-06 18:08:57,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-06 18:08:57,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:57,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:57,367 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 18:08:57,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:57,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172961249] [2025-02-06 18:08:57,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172961249] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:57,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402048524] [2025-02-06 18:08:57,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:57,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:57,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:57,371 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 18:08:57,373 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 18:08:57,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-06 18:08:58,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-06 18:08:58,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:58,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:58,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 18:08:58,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 18:08:58,213 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:58,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402048524] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:58,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:58,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 6 [2025-02-06 18:08:58,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745507555] [2025-02-06 18:08:58,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:58,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:08:58,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:58,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:08:58,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:08:58,216 INFO L87 Difference]: Start difference. First operand 608 states and 805 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:08:58,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:58,433 INFO L93 Difference]: Finished difference Result 1123 states and 1502 transitions. [2025-02-06 18:08:58,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:08:58,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 189 [2025-02-06 18:08:58,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:58,439 INFO L225 Difference]: With dead ends: 1123 [2025-02-06 18:08:58,439 INFO L226 Difference]: Without dead ends: 611 [2025-02-06 18:08:58,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:08:58,441 INFO L435 NwaCegarLoop]: 362 mSDtfsCounter, 365 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:58,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1437 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:08:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2025-02-06 18:08:58,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2025-02-06 18:08:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 594 states have (on average 1.3198653198653199) internal successors, (784), 597 states have internal predecessors, (784), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2025-02-06 18:08:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 812 transitions. [2025-02-06 18:08:58,464 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 812 transitions. Word has length 189 [2025-02-06 18:08:58,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:58,464 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 812 transitions. [2025-02-06 18:08:58,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 18:08:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 812 transitions. [2025-02-06 18:08:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 18:08:58,467 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:58,467 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 18:08:58,483 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 18:08:58,671 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,SelfDestructingSolverStorable13 [2025-02-06 18:08:58,671 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:08:58,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:58,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1423168753, now seen corresponding path program 1 times [2025-02-06 18:08:58,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:58,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643310375] [2025-02-06 18:08:58,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:58,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:58,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 18:08:59,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 18:08:59,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:59,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:59,398 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 18:08:59,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:59,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643310375] [2025-02-06 18:08:59,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643310375] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:59,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833442643] [2025-02-06 18:08:59,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:59,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:59,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:59,402 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 18:08:59,404 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 18:08:59,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 18:09:00,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 18:09:00,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:09:00,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:09:00,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 18:09:00,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:09:04,414 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 18:09:04,414 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:09:04,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833442643] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:09:04,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:09:04,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-02-06 18:09:04,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215348396] [2025-02-06 18:09:04,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:09:04,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:09:04,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:09:04,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:09:04,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:09:04,416 INFO L87 Difference]: Start difference. First operand 611 states and 812 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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 18:09:04,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:09:04,905 INFO L93 Difference]: Finished difference Result 1176 states and 1576 transitions. [2025-02-06 18:09:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:09:04,905 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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 193 [2025-02-06 18:09:04,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:09:04,909 INFO L225 Difference]: With dead ends: 1176 [2025-02-06 18:09:04,909 INFO L226 Difference]: Without dead ends: 621 [2025-02-06 18:09:04,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:09:04,912 INFO L435 NwaCegarLoop]: 359 mSDtfsCounter, 8 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:09:04,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1848 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 18:09:04,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2025-02-06 18:09:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 611. [2025-02-06 18:09:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 594 states have (on average 1.3198653198653199) internal successors, (784), 597 states have internal predecessors, (784), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2025-02-06 18:09:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 812 transitions. [2025-02-06 18:09:04,932 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 812 transitions. Word has length 193 [2025-02-06 18:09:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:09:04,933 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 812 transitions. [2025-02-06 18:09:04,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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 18:09:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 812 transitions. [2025-02-06 18:09:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 18:09:04,936 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:09:04,936 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 18:09:04,951 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 18:09:05,137 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,SelfDestructingSolverStorable14 [2025-02-06 18:09:05,137 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:09:05,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:09:05,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1878700401, now seen corresponding path program 1 times [2025-02-06 18:09:05,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:09:05,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942314911] [2025-02-06 18:09:05,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:09:05,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:09:05,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 18:09:05,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 18:09:05,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:09:05,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:09:05,665 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 18:09:05,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:09:05,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942314911] [2025-02-06 18:09:05,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942314911] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:09:05,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:09:05,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-06 18:09:05,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697126701] [2025-02-06 18:09:05,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:09:05,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 18:09:05,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:09:05,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 18:09:05,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:09:05,668 INFO L87 Difference]: Start difference. First operand 611 states and 812 transitions. Second operand has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 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 18:09:06,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:09:06,128 INFO L93 Difference]: Finished difference Result 1181 states and 1580 transitions. [2025-02-06 18:09:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 18:09:06,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 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 194 [2025-02-06 18:09:06,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:09:06,133 INFO L225 Difference]: With dead ends: 1181 [2025-02-06 18:09:06,133 INFO L226 Difference]: Without dead ends: 631 [2025-02-06 18:09:06,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:09:06,135 INFO L435 NwaCegarLoop]: 354 mSDtfsCounter, 16 mSDsluCounter, 1866 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:09:06,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2220 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:09:06,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2025-02-06 18:09:06,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 625. [2025-02-06 18:09:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 608 states have (on average 1.319078947368421) internal successors, (802), 611 states have internal predecessors, (802), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2025-02-06 18:09:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 830 transitions. [2025-02-06 18:09:06,158 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 830 transitions. Word has length 194 [2025-02-06 18:09:06,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:09:06,158 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 830 transitions. [2025-02-06 18:09:06,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 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 18:09:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 830 transitions. [2025-02-06 18:09:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 18:09:06,160 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:09:06,160 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 18:09:06,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 18:09:06,160 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:09:06,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:09:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash 750931291, now seen corresponding path program 1 times [2025-02-06 18:09:06,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:09:06,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103002597] [2025-02-06 18:09:06,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:09:06,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:09:06,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 18:09:06,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 18:09:06,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:09:06,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:09:07,071 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 18:09:07,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:09:07,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103002597] [2025-02-06 18:09:07,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103002597] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:09:07,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396266226] [2025-02-06 18:09:07,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:09:07,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:09:07,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:09:07,074 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 18:09:07,076 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 18:09:07,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 18:09:07,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 18:09:07,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:09:07,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:09:07,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 18:09:07,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:09:07,938 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 18:09:07,938 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:09:07,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396266226] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:09:07,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:09:07,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2025-02-06 18:09:07,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215591374] [2025-02-06 18:09:07,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:09:07,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 18:09:07,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:09:07,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 18:09:07,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-02-06 18:09:07,939 INFO L87 Difference]: Start difference. First operand 625 states and 830 transitions. Second operand has 8 states, 8 states have (on average 21.75) internal successors, (174), 8 states have internal predecessors, (174), 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 18:09:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:09:08,444 INFO L93 Difference]: Finished difference Result 1202 states and 1607 transitions. [2025-02-06 18:09:08,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 18:09:08,445 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 8 states have internal predecessors, (174), 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 194 [2025-02-06 18:09:08,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:09:08,448 INFO L225 Difference]: With dead ends: 1202 [2025-02-06 18:09:08,448 INFO L226 Difference]: Without dead ends: 645 [2025-02-06 18:09:08,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:09:08,450 INFO L435 NwaCegarLoop]: 359 mSDtfsCounter, 31 mSDsluCounter, 1817 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2176 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:09:08,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2176 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 18:09:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2025-02-06 18:09:08,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 635. [2025-02-06 18:09:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 618 states have (on average 1.3171521035598706) internal successors, (814), 621 states have internal predecessors, (814), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2025-02-06 18:09:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 842 transitions. [2025-02-06 18:09:08,468 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 842 transitions. Word has length 194 [2025-02-06 18:09:08,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:09:08,469 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 842 transitions. [2025-02-06 18:09:08,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 8 states have internal predecessors, (174), 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 18:09:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 842 transitions. [2025-02-06 18:09:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 18:09:08,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:09:08,471 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 18:09:08,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 18:09:08,671 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 18:09:08,672 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:09:08,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:09:08,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1465431518, now seen corresponding path program 1 times [2025-02-06 18:09:08,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:09:08,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750608659] [2025-02-06 18:09:08,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:09:08,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:09:08,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 18:09:08,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 18:09:08,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:09:08,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:09:09,265 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 18:09:09,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:09:09,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750608659] [2025-02-06 18:09:09,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750608659] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:09:09,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:09:09,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 18:09:09,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157700832] [2025-02-06 18:09:09,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:09:09,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 18:09:09,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:09:09,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 18:09:09,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:09:09,267 INFO L87 Difference]: Start difference. First operand 635 states and 842 transitions. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 10 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 18:09:09,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:09:09,806 INFO L93 Difference]: Finished difference Result 1220 states and 1631 transitions. [2025-02-06 18:09:09,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:09:09,807 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 10 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 195 [2025-02-06 18:09:09,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:09:09,810 INFO L225 Difference]: With dead ends: 1220 [2025-02-06 18:09:09,810 INFO L226 Difference]: Without dead ends: 653 [2025-02-06 18:09:09,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:09:09,812 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 19 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2797 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:09:09,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2797 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 18:09:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-02-06 18:09:09,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 641. [2025-02-06 18:09:09,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 624 states have (on average 1.314102564102564) internal successors, (820), 627 states have internal predecessors, (820), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2025-02-06 18:09:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 848 transitions. [2025-02-06 18:09:09,830 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 848 transitions. Word has length 195 [2025-02-06 18:09:09,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:09:09,830 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 848 transitions. [2025-02-06 18:09:09,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 10 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 18:09:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 848 transitions. [2025-02-06 18:09:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 18:09:09,832 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:09:09,832 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 18:09:09,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 18:09:09,833 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 18:09:09,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:09:09,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1551227690, now seen corresponding path program 1 times [2025-02-06 18:09:09,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:09:09,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331471816] [2025-02-06 18:09:09,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:09:09,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:09:09,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 18:09:10,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 18:09:10,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:09:10,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:09:10,437 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 18:09:10,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:09:10,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331471816] [2025-02-06 18:09:10,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331471816] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:09:10,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177553316] [2025-02-06 18:09:10,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:09:10,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:09:10,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:09:10,440 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 18:09:10,442 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 18:09:10,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 18:09:11,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 18:09:11,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:09:11,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:09:11,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 143 conjuncts are in the unsatisfiable core [2025-02-06 18:09:11,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:09:11,421 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 18:09:11,464 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 18:09:11,881 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 18:09:11,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2025-02-06 18:09:11,935 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-02-06 18:09:11,935 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 18:09:11,948 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 18:09:11,955 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 18:09:11,964 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 18:09:12,046 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 18:09:12,050 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 18:09:12,056 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 18:09:12,244 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-02-06 18:09:12,244 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 66 treesize of output 57 [2025-02-06 18:09:12,253 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 18:09:12,263 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