./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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_SAX_nondet_test1-2.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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:45:59,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:45:59,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:46:00,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:46:00,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:46:00,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:46:00,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:46:00,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:46:00,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:46:00,029 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:46:00,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:46:00,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:46:00,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:46:00,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:46:00,031 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:46:00,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:46:00,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:46:00,031 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:46:00,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:46:00,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:46:00,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:46:00,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:46:00,033 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:46:00,033 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:46:00,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:46:00,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:46:00,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:46:00,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:46:00,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:46:00,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:46:00,034 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:46:00,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:46:00,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:46:00,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:46:00,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:46:00,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:46:00,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:46:00,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:46:00,035 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2025-02-08 13:46:00,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:46:00,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:46:00,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:46:00,381 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:46:00,381 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:46:00,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2025-02-08 13:46:01,663 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5600b9280/d6dfbea03b854493a33b0ad5def15177/FLAG07ce0b1b7 [2025-02-08 13:46:01,996 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:46:01,997 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2025-02-08 13:46:02,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5600b9280/d6dfbea03b854493a33b0ad5def15177/FLAG07ce0b1b7 [2025-02-08 13:46:02,023 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5600b9280/d6dfbea03b854493a33b0ad5def15177 [2025-02-08 13:46:02,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:46:02,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:46:02,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:46:02,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:46:02,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:46:02,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d850ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02, skipping insertion in model container [2025-02-08 13:46:02,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:46:02,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:46:02,499 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:46:02,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:46:02,602 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:46:02,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02 WrapperNode [2025-02-08 13:46:02,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:46:02,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:46:02,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:46:02,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:46:02,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,694 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 938 [2025-02-08 13:46:02,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:46:02,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:46:02,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:46:02,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:46:02,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,787 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2025-02-08 13:46:02,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:46:02,858 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:46:02,858 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:46:02,858 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:46:02,859 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (1/1) ... [2025-02-08 13:46:02,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:46:02,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:02,891 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) [2025-02-08 13:46:02,897 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 [2025-02-08 13:46:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:46:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:46:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:46:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:46:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 13:46:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 13:46:02,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 13:46:02,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 13:46:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 13:46:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:46:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 13:46:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 13:46:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 13:46:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 13:46:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:46:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:46:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:46:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:46:02,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:46:03,098 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:46:03,099 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:46:04,071 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2025-02-08 13:46:04,072 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:46:04,151 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:46:04,152 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 13:46:04,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:46:04 BoogieIcfgContainer [2025-02-08 13:46:04,153 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:46:04,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:46:04,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:46:04,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:46:04,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:46:02" (1/3) ... [2025-02-08 13:46:04,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e46b57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:46:04, skipping insertion in model container [2025-02-08 13:46:04,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:02" (2/3) ... [2025-02-08 13:46:04,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e46b57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:46:04, skipping insertion in model container [2025-02-08 13:46:04,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:46:04" (3/3) ... [2025-02-08 13:46:04,163 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-2.i [2025-02-08 13:46:04,175 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:46:04,176 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test1-2.i that has 3 procedures, 253 locations, 1 initial locations, 25 loop locations, and 6 error locations. [2025-02-08 13:46:04,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:46:04,246 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;@156748ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:46:04,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 13:46:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 238 states have (on average 1.6176470588235294) internal successors, (385), 244 states have internal predecessors, (385), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 13:46:04,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:04,257 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 13:46:04,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:04,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:04,262 INFO L85 PathProgramCache]: Analyzing trace with hash 13361228, now seen corresponding path program 1 times [2025-02-08 13:46:04,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:04,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125435578] [2025-02-08 13:46:04,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:04,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:04,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 13:46:04,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 13:46:04,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:04,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:04,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:46:04,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:04,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125435578] [2025-02-08 13:46:04,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125435578] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:04,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:04,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:46:04,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310579514] [2025-02-08 13:46:04,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:04,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:46:04,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:04,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:46:04,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:46:04,442 INFO L87 Difference]: Start difference. First operand has 249 states, 238 states have (on average 1.6176470588235294) internal successors, (385), 244 states have internal predecessors, (385), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:46:04,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:04,597 INFO L93 Difference]: Finished difference Result 692 states and 1095 transitions. [2025-02-08 13:46:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:46:04,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 13:46:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:04,612 INFO L225 Difference]: With dead ends: 692 [2025-02-08 13:46:04,614 INFO L226 Difference]: Without dead ends: 406 [2025-02-08 13:46:04,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:46:04,621 INFO L435 NwaCegarLoop]: 362 mSDtfsCounter, 276 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:04,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 681 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:04,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-02-08 13:46:04,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 211. [2025-02-08 13:46:04,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 201 states have (on average 1.4577114427860696) internal successors, (293), 206 states have internal predecessors, (293), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 299 transitions. [2025-02-08 13:46:04,673 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 299 transitions. Word has length 4 [2025-02-08 13:46:04,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:04,673 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 299 transitions. [2025-02-08 13:46:04,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:46:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 299 transitions. [2025-02-08 13:46:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 13:46:04,674 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:04,674 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 13:46:04,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:46:04,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:04,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:04,675 INFO L85 PathProgramCache]: Analyzing trace with hash 424633884, now seen corresponding path program 1 times [2025-02-08 13:46:04,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:04,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817147410] [2025-02-08 13:46:04,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:04,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:04,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 13:46:04,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 13:46:04,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:04,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:46:04,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:04,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817147410] [2025-02-08 13:46:04,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817147410] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:04,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:04,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:46:04,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704732164] [2025-02-08 13:46:04,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:04,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:46:04,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:04,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:46:04,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:04,904 INFO L87 Difference]: Start difference. First operand 211 states and 299 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:46:04,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:04,986 INFO L93 Difference]: Finished difference Result 216 states and 305 transitions. [2025-02-08 13:46:04,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:46:04,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 13:46:04,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:04,988 INFO L225 Difference]: With dead ends: 216 [2025-02-08 13:46:04,988 INFO L226 Difference]: Without dead ends: 215 [2025-02-08 13:46:04,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:04,989 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 2 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:04,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 542 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:04,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-08 13:46:05,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 214. [2025-02-08 13:46:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 204 states have (on average 1.4509803921568627) internal successors, (296), 209 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:05,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 302 transitions. [2025-02-08 13:46:05,009 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 302 transitions. Word has length 5 [2025-02-08 13:46:05,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:05,009 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 302 transitions. [2025-02-08 13:46:05,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:46:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2025-02-08 13:46:05,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:46:05,009 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:05,010 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:46:05,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 13:46:05,010 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:05,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:05,010 INFO L85 PathProgramCache]: Analyzing trace with hash 278748893, now seen corresponding path program 1 times [2025-02-08 13:46:05,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:05,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693152636] [2025-02-08 13:46:05,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:05,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:05,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:46:05,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:46:05,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:05,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:46:05,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:05,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693152636] [2025-02-08 13:46:05,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693152636] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:05,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:05,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:46:05,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308340761] [2025-02-08 13:46:05,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:05,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:46:05,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:05,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:46:05,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:05,164 INFO L87 Difference]: Start difference. First operand 214 states and 302 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-08 13:46:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:05,264 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2025-02-08 13:46:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:46:05,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2025-02-08 13:46:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:05,266 INFO L225 Difference]: With dead ends: 216 [2025-02-08 13:46:05,266 INFO L226 Difference]: Without dead ends: 215 [2025-02-08 13:46:05,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:05,267 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:05,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 807 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:05,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-08 13:46:05,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-02-08 13:46:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 205 states have (on average 1.448780487804878) internal successors, (297), 210 states have internal predecessors, (297), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 303 transitions. [2025-02-08 13:46:05,288 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 303 transitions. Word has length 6 [2025-02-08 13:46:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:05,289 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 303 transitions. [2025-02-08 13:46:05,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-08 13:46:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 303 transitions. [2025-02-08 13:46:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 13:46:05,292 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:05,292 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] [2025-02-08 13:46:05,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:46:05,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:05,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:05,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2004957684, now seen corresponding path program 1 times [2025-02-08 13:46:05,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:05,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371747000] [2025-02-08 13:46:05,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:05,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:05,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 13:46:05,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 13:46:05,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:05,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:46:05,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:05,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371747000] [2025-02-08 13:46:05,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371747000] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:05,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:05,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:46:05,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874638159] [2025-02-08 13:46:05,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:05,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:46:05,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:05,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:46:05,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:05,610 INFO L87 Difference]: Start difference. First operand 215 states and 303 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-02-08 13:46:05,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:05,759 INFO L93 Difference]: Finished difference Result 427 states and 603 transitions. [2025-02-08 13:46:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:46:05,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2025-02-08 13:46:05,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:05,762 INFO L225 Difference]: With dead ends: 427 [2025-02-08 13:46:05,762 INFO L226 Difference]: Without dead ends: 218 [2025-02-08 13:46:05,763 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 [2025-02-08 13:46:05,765 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 106 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:05,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 663 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:05,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-02-08 13:46:05,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 215. [2025-02-08 13:46:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 205 states have (on average 1.4146341463414633) internal successors, (290), 210 states have internal predecessors, (290), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 296 transitions. [2025-02-08 13:46:05,780 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 296 transitions. Word has length 78 [2025-02-08 13:46:05,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:05,780 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 296 transitions. [2025-02-08 13:46:05,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-02-08 13:46:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 296 transitions. [2025-02-08 13:46:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 13:46:05,785 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:05,785 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] [2025-02-08 13:46:05,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:46:05,786 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:05,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:05,787 INFO L85 PathProgramCache]: Analyzing trace with hash 904065893, now seen corresponding path program 1 times [2025-02-08 13:46:05,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:05,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922494534] [2025-02-08 13:46:05,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:05,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:05,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 13:46:05,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 13:46:05,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:05,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:46:05,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:05,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922494534] [2025-02-08 13:46:05,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922494534] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:05,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:05,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:46:05,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423568541] [2025-02-08 13:46:05,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:05,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:46:05,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:05,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:46:05,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:46:05,997 INFO L87 Difference]: Start difference. First operand 215 states and 296 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-02-08 13:46:06,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:06,084 INFO L93 Difference]: Finished difference Result 430 states and 595 transitions. [2025-02-08 13:46:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:46:06,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2025-02-08 13:46:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:06,086 INFO L225 Difference]: With dead ends: 430 [2025-02-08 13:46:06,086 INFO L226 Difference]: Without dead ends: 221 [2025-02-08 13:46:06,088 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 [2025-02-08 13:46:06,089 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 2 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:06,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 504 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:06,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-08 13:46:06,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-02-08 13:46:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 211 states have (on average 1.4028436018957346) internal successors, (296), 216 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 302 transitions. [2025-02-08 13:46:06,102 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 302 transitions. Word has length 78 [2025-02-08 13:46:06,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:06,102 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 302 transitions. [2025-02-08 13:46:06,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-02-08 13:46:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 302 transitions. [2025-02-08 13:46:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 13:46:06,105 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:06,106 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] [2025-02-08 13:46:06,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:46:06,106 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:06,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash 134895878, now seen corresponding path program 1 times [2025-02-08 13:46:06,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:06,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266369185] [2025-02-08 13:46:06,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:06,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 13:46:06,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 13:46:06,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:06,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:46:06,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:06,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266369185] [2025-02-08 13:46:06,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266369185] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:06,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:06,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:46:06,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957897896] [2025-02-08 13:46:06,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:06,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:46:06,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:06,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:46:06,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:46:06,291 INFO L87 Difference]: Start difference. First operand 221 states and 302 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2025-02-08 13:46:06,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:06,424 INFO L93 Difference]: Finished difference Result 568 states and 790 transitions. [2025-02-08 13:46:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:46:06,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 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 78 [2025-02-08 13:46:06,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:06,427 INFO L225 Difference]: With dead ends: 568 [2025-02-08 13:46:06,427 INFO L226 Difference]: Without dead ends: 353 [2025-02-08 13:46:06,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:46:06,428 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 134 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:06,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 528 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:06,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-02-08 13:46:06,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2025-02-08 13:46:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 343 states have (on average 1.4198250728862973) internal successors, (487), 348 states have internal predecessors, (487), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:06,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 493 transitions. [2025-02-08 13:46:06,445 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 493 transitions. Word has length 78 [2025-02-08 13:46:06,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:06,445 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 493 transitions. [2025-02-08 13:46:06,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2025-02-08 13:46:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 493 transitions. [2025-02-08 13:46:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 13:46:06,450 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:06,450 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] [2025-02-08 13:46:06,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:46:06,450 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:06,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:06,451 INFO L85 PathProgramCache]: Analyzing trace with hash -467853696, now seen corresponding path program 1 times [2025-02-08 13:46:06,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:06,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986652197] [2025-02-08 13:46:06,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:06,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:06,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 13:46:06,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 13:46:06,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:06,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:06,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:06,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986652197] [2025-02-08 13:46:06,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986652197] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:06,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:06,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:46:06,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614137423] [2025-02-08 13:46:06,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:06,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:46:06,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:06,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:46:06,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:06,732 INFO L87 Difference]: Start difference. First operand 353 states and 493 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 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) [2025-02-08 13:46:06,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:06,814 INFO L93 Difference]: Finished difference Result 353 states and 493 transitions. [2025-02-08 13:46:06,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:46:06,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 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 93 [2025-02-08 13:46:06,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:06,819 INFO L225 Difference]: With dead ends: 353 [2025-02-08 13:46:06,820 INFO L226 Difference]: Without dead ends: 352 [2025-02-08 13:46:06,821 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 [2025-02-08 13:46:06,821 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 190 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:06,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 533 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:06,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-08 13:46:06,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2025-02-08 13:46:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 343 states have (on average 1.4169096209912537) internal successors, (486), 347 states have internal predecessors, (486), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:46:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 492 transitions. [2025-02-08 13:46:06,841 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 492 transitions. Word has length 93 [2025-02-08 13:46:06,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:06,841 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 492 transitions. [2025-02-08 13:46:06,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 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) [2025-02-08 13:46:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 492 transitions. [2025-02-08 13:46:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 13:46:06,844 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:06,844 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] [2025-02-08 13:46:06,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 13:46:06,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:06,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:06,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1618562642, now seen corresponding path program 1 times [2025-02-08 13:46:06,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:06,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316260138] [2025-02-08 13:46:06,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:06,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:06,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 13:46:06,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 13:46:06,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:06,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:07,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:07,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316260138] [2025-02-08 13:46:07,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316260138] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:07,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:07,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:46:07,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718527979] [2025-02-08 13:46:07,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:07,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:46:07,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:07,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:46:07,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:07,124 INFO L87 Difference]: Start difference. First operand 352 states and 492 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-02-08 13:46:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:07,238 INFO L93 Difference]: Finished difference Result 416 states and 576 transitions. [2025-02-08 13:46:07,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:46:07,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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 94 [2025-02-08 13:46:07,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:07,242 INFO L225 Difference]: With dead ends: 416 [2025-02-08 13:46:07,242 INFO L226 Difference]: Without dead ends: 415 [2025-02-08 13:46:07,243 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 [2025-02-08 13:46:07,243 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 184 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:07,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 785 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-02-08 13:46:07,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2025-02-08 13:46:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 403 states have (on average 1.3970223325062034) internal successors, (563), 407 states have internal predecessors, (563), 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) [2025-02-08 13:46:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 575 transitions. [2025-02-08 13:46:07,260 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 575 transitions. Word has length 94 [2025-02-08 13:46:07,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:07,260 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 575 transitions. [2025-02-08 13:46:07,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-02-08 13:46:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 575 transitions. [2025-02-08 13:46:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-08 13:46:07,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:07,262 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] [2025-02-08 13:46:07,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 13:46:07,262 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:07,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:07,263 INFO L85 PathProgramCache]: Analyzing trace with hash 998209021, now seen corresponding path program 1 times [2025-02-08 13:46:07,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:07,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774773993] [2025-02-08 13:46:07,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:07,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:07,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 13:46:07,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 13:46:07,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:07,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:07,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:07,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774773993] [2025-02-08 13:46:07,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774773993] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:46:07,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178773528] [2025-02-08 13:46:07,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:07,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:07,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:07,532 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) [2025-02-08 13:46:07,534 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 [2025-02-08 13:46:07,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 13:46:07,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 13:46:07,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:07,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:07,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 13:46:07,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:46:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:08,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:46:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:08,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178773528] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:46:08,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:46:08,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-08 13:46:08,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029168337] [2025-02-08 13:46:08,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:46:08,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 13:46:08,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:08,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 13:46:08,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 13:46:08,222 INFO L87 Difference]: Start difference. First operand 415 states and 575 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:08,412 INFO L93 Difference]: Finished difference Result 626 states and 868 transitions. [2025-02-08 13:46:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:46:08,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 97 [2025-02-08 13:46:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:08,416 INFO L225 Difference]: With dead ends: 626 [2025-02-08 13:46:08,416 INFO L226 Difference]: Without dead ends: 620 [2025-02-08 13:46:08,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 13:46:08,417 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 1202 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:08,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1226 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:46:08,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2025-02-08 13:46:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 618. [2025-02-08 13:46:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 603 states have (on average 1.3963515754560532) internal successors, (842), 607 states have internal predecessors, (842), 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) [2025-02-08 13:46:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 860 transitions. [2025-02-08 13:46:08,448 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 860 transitions. Word has length 97 [2025-02-08 13:46:08,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:08,448 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 860 transitions. [2025-02-08 13:46:08,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 860 transitions. [2025-02-08 13:46:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 13:46:08,449 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:08,449 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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] [2025-02-08 13:46:08,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 13:46:08,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:08,650 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:08,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:08,651 INFO L85 PathProgramCache]: Analyzing trace with hash 890144395, now seen corresponding path program 1 times [2025-02-08 13:46:08,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:08,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514604760] [2025-02-08 13:46:08,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:08,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:08,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 13:46:08,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 13:46:08,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:08,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:09,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:09,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514604760] [2025-02-08 13:46:09,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514604760] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:46:09,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498672542] [2025-02-08 13:46:09,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:09,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:09,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:09,298 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) [2025-02-08 13:46:09,301 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 [2025-02-08 13:46:09,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 13:46:09,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 13:46:09,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:09,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:09,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 13:46:09,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:46:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:09,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:46:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:10,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498672542] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:46:10,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:46:10,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 13:46:10,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494196753] [2025-02-08 13:46:10,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:46:10,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 13:46:10,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:10,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 13:46:10,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:46:10,004 INFO L87 Difference]: Start difference. First operand 618 states and 860 transitions. Second operand has 13 states, 12 states have (on average 15.583333333333334) internal successors, (187), 13 states have internal predecessors, (187), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:10,318 INFO L93 Difference]: Finished difference Result 829 states and 1157 transitions. [2025-02-08 13:46:10,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 13:46:10,319 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.583333333333334) internal successors, (187), 13 states have internal predecessors, (187), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 98 [2025-02-08 13:46:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:10,323 INFO L225 Difference]: With dead ends: 829 [2025-02-08 13:46:10,324 INFO L226 Difference]: Without dead ends: 828 [2025-02-08 13:46:10,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-02-08 13:46:10,325 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 789 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:10,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 2136 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:46:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2025-02-08 13:46:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 823. [2025-02-08 13:46:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 805 states have (on average 1.3950310559006212) internal successors, (1123), 809 states have internal predecessors, (1123), 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) [2025-02-08 13:46:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1147 transitions. [2025-02-08 13:46:10,351 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1147 transitions. Word has length 98 [2025-02-08 13:46:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:10,352 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1147 transitions. [2025-02-08 13:46:10,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.583333333333334) internal successors, (187), 13 states have internal predecessors, (187), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1147 transitions. [2025-02-08 13:46:10,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 13:46:10,353 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:10,353 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2025-02-08 13:46:10,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 13:46:10,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:10,557 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:10,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:10,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1824672846, now seen corresponding path program 1 times [2025-02-08 13:46:10,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:10,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503786244] [2025-02-08 13:46:10,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:10,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:10,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 13:46:10,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 13:46:10,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:10,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:11,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:11,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503786244] [2025-02-08 13:46:11,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503786244] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:46:11,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602362077] [2025-02-08 13:46:11,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:11,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:11,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:11,121 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) [2025-02-08 13:46:11,123 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 [2025-02-08 13:46:11,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 13:46:11,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 13:46:11,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:11,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:11,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 13:46:11,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:46:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:11,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:46:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:11,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602362077] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:46:11,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:46:11,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 13:46:11,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465888243] [2025-02-08 13:46:11,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:46:11,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 13:46:11,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:11,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 13:46:11,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:46:11,797 INFO L87 Difference]: Start difference. First operand 823 states and 1147 transitions. Second operand has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:12,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:12,107 INFO L93 Difference]: Finished difference Result 829 states and 1154 transitions. [2025-02-08 13:46:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:46:12,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 99 [2025-02-08 13:46:12,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:12,112 INFO L225 Difference]: With dead ends: 829 [2025-02-08 13:46:12,112 INFO L226 Difference]: Without dead ends: 828 [2025-02-08 13:46:12,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-02-08 13:46:12,113 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 644 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:12,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 2112 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:46:12,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2025-02-08 13:46:12,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 824. [2025-02-08 13:46:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 806 states have (on average 1.3920595533498759) internal successors, (1122), 810 states have internal predecessors, (1122), 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) [2025-02-08 13:46:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1146 transitions. [2025-02-08 13:46:12,149 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1146 transitions. Word has length 99 [2025-02-08 13:46:12,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:12,149 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1146 transitions. [2025-02-08 13:46:12,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1146 transitions. [2025-02-08 13:46:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-02-08 13:46:12,156 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:12,156 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:12,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 13:46:12,357 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 [2025-02-08 13:46:12,357 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:12,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash -453648960, now seen corresponding path program 1 times [2025-02-08 13:46:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:12,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473928824] [2025-02-08 13:46:12,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:12,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-02-08 13:46:12,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 13:46:12,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:12,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2025-02-08 13:46:12,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:12,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473928824] [2025-02-08 13:46:12,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473928824] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:12,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:12,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:46:12,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245164873] [2025-02-08 13:46:12,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:12,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:46:12,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:12,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:46:12,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:46:12,774 INFO L87 Difference]: Start difference. First operand 824 states and 1146 transitions. Second operand has 4 states, 3 states have (on average 56.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2025-02-08 13:46:12,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:12,845 INFO L93 Difference]: Finished difference Result 824 states and 1146 transitions. [2025-02-08 13:46:12,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:46:12,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 56.0) internal successors, (168), 4 states have internal predecessors, (168), 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 250 [2025-02-08 13:46:12,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:12,851 INFO L225 Difference]: With dead ends: 824 [2025-02-08 13:46:12,851 INFO L226 Difference]: Without dead ends: 823 [2025-02-08 13:46:12,851 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 [2025-02-08 13:46:12,852 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 194 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:12,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 535 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:46:12,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2025-02-08 13:46:12,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 823. [2025-02-08 13:46:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 806 states have (on average 1.3895781637717122) internal successors, (1120), 809 states have internal predecessors, (1120), 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) [2025-02-08 13:46:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1144 transitions. [2025-02-08 13:46:12,879 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1144 transitions. Word has length 250 [2025-02-08 13:46:12,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:12,880 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1144 transitions. [2025-02-08 13:46:12,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 56.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2025-02-08 13:46:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1144 transitions. [2025-02-08 13:46:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-02-08 13:46:12,885 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:12,885 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:12,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 13:46:12,886 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:12,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:12,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1605957803, now seen corresponding path program 1 times [2025-02-08 13:46:12,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:12,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160054038] [2025-02-08 13:46:12,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:12,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:12,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 13:46:13,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 13:46:13,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:13,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:13,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:13,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160054038] [2025-02-08 13:46:13,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160054038] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:46:13,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153644959] [2025-02-08 13:46:13,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:13,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:13,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:13,593 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) [2025-02-08 13:46:13,596 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 [2025-02-08 13:46:13,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 13:46:14,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 13:46:14,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:14,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:14,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 13:46:14,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:46:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:14,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:46:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:14,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153644959] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:46:14,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:46:14,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-08 13:46:14,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874500169] [2025-02-08 13:46:14,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:46:14,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 13:46:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:14,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 13:46:14,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2025-02-08 13:46:14,821 INFO L87 Difference]: Start difference. First operand 823 states and 1144 transitions. Second operand has 16 states, 16 states have (on average 30.4375) internal successors, (487), 16 states have internal predecessors, (487), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:15,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:15,256 INFO L93 Difference]: Finished difference Result 1434 states and 1998 transitions. [2025-02-08 13:46:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 13:46:15,256 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 30.4375) internal successors, (487), 16 states have internal predecessors, (487), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 253 [2025-02-08 13:46:15,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:15,265 INFO L225 Difference]: With dead ends: 1434 [2025-02-08 13:46:15,265 INFO L226 Difference]: Without dead ends: 1429 [2025-02-08 13:46:15,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2025-02-08 13:46:15,269 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 3463 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3482 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:15,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3482 Valid, 2392 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:46:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2025-02-08 13:46:15,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1425. [2025-02-08 13:46:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1399 states have (on average 1.3917083631165117) internal successors, (1947), 1402 states have internal predecessors, (1947), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 13:46:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1989 transitions. [2025-02-08 13:46:15,317 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1989 transitions. Word has length 253 [2025-02-08 13:46:15,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:15,318 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 1989 transitions. [2025-02-08 13:46:15,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 30.4375) internal successors, (487), 16 states have internal predecessors, (487), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1989 transitions. [2025-02-08 13:46:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2025-02-08 13:46:15,323 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:15,324 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:15,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 13:46:15,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 13:46:15,527 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:15,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:15,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1152277114, now seen corresponding path program 1 times [2025-02-08 13:46:15,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:15,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027819444] [2025-02-08 13:46:15,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:15,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-02-08 13:46:15,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-02-08 13:46:15,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:15,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:18,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:18,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027819444] [2025-02-08 13:46:18,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027819444] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:46:18,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778819861] [2025-02-08 13:46:18,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:18,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:18,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:18,291 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) [2025-02-08 13:46:18,295 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 [2025-02-08 13:46:18,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-02-08 13:46:18,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-02-08 13:46:18,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:18,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:18,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 13:46:18,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:46:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:19,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:46:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:20,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778819861] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:46:20,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:46:20,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-02-08 13:46:20,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056153096] [2025-02-08 13:46:20,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:46:20,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 13:46:20,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:20,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 13:46:20,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-02-08 13:46:20,122 INFO L87 Difference]: Start difference. First operand 1425 states and 1989 transitions. Second operand has 28 states, 27 states have (on average 24.59259259259259) internal successors, (664), 28 states have internal predecessors, (664), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:20,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:20,945 INFO L93 Difference]: Finished difference Result 2045 states and 2865 transitions. [2025-02-08 13:46:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 13:46:20,946 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.59259259259259) internal successors, (664), 28 states have internal predecessors, (664), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 332 [2025-02-08 13:46:20,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:20,956 INFO L225 Difference]: With dead ends: 2045 [2025-02-08 13:46:20,956 INFO L226 Difference]: Without dead ends: 2044 [2025-02-08 13:46:20,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 13:46:20,958 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 3067 mSDsluCounter, 3938 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3090 SdHoareTripleChecker+Valid, 4276 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:20,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3090 Valid, 4276 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:46:20,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2025-02-08 13:46:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 2034. [2025-02-08 13:46:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1999 states have (on average 1.391695847923962) internal successors, (2782), 2002 states have internal predecessors, (2782), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:46:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2842 transitions. [2025-02-08 13:46:21,018 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2842 transitions. Word has length 332 [2025-02-08 13:46:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:21,019 INFO L471 AbstractCegarLoop]: Abstraction has 2034 states and 2842 transitions. [2025-02-08 13:46:21,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.59259259259259) internal successors, (664), 28 states have internal predecessors, (664), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2842 transitions. [2025-02-08 13:46:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2025-02-08 13:46:21,024 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:21,025 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:21,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 13:46:21,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-08 13:46:21,226 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:21,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:21,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1360851789, now seen corresponding path program 1 times [2025-02-08 13:46:21,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:21,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985518717] [2025-02-08 13:46:21,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:21,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:21,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-02-08 13:46:21,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-02-08 13:46:21,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:21,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:23,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:23,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985518717] [2025-02-08 13:46:23,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985518717] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:46:23,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79106617] [2025-02-08 13:46:23,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:23,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:23,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:23,768 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) [2025-02-08 13:46:23,771 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 [2025-02-08 13:46:24,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-02-08 13:46:24,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-02-08 13:46:24,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:24,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:24,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-08 13:46:24,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:46:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:24,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:46:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:25,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79106617] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:46:25,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:46:25,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-02-08 13:46:25,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81230740] [2025-02-08 13:46:25,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:46:25,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 13:46:25,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:25,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 13:46:25,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-02-08 13:46:25,396 INFO L87 Difference]: Start difference. First operand 2034 states and 2842 transitions. Second operand has 28 states, 27 states have (on average 24.703703703703702) internal successors, (667), 28 states have internal predecessors, (667), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:26,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:26,103 INFO L93 Difference]: Finished difference Result 2045 states and 2859 transitions. [2025-02-08 13:46:26,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 13:46:26,104 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.703703703703702) internal successors, (667), 28 states have internal predecessors, (667), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 333 [2025-02-08 13:46:26,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:26,113 INFO L225 Difference]: With dead ends: 2045 [2025-02-08 13:46:26,113 INFO L226 Difference]: Without dead ends: 2044 [2025-02-08 13:46:26,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 13:46:26,116 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 4242 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4265 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:26,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4265 Valid, 4432 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:46:26,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2025-02-08 13:46:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 2035. [2025-02-08 13:46:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 2000 states have (on average 1.389) internal successors, (2778), 2003 states have internal predecessors, (2778), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:46:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2838 transitions. [2025-02-08 13:46:26,172 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2838 transitions. Word has length 333 [2025-02-08 13:46:26,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:26,172 INFO L471 AbstractCegarLoop]: Abstraction has 2035 states and 2838 transitions. [2025-02-08 13:46:26,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.703703703703702) internal successors, (667), 28 states have internal predecessors, (667), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2838 transitions. [2025-02-08 13:46:26,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2025-02-08 13:46:26,183 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:26,184 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:26,196 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 [2025-02-08 13:46:26,384 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,SelfDestructingSolverStorable14 [2025-02-08 13:46:26,385 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:26,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash 913820423, now seen corresponding path program 2 times [2025-02-08 13:46:26,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:26,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267179215] [2025-02-08 13:46:26,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:46:26,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:26,548 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 565 statements into 2 equivalence classes. [2025-02-08 13:46:26,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 565 of 565 statements. [2025-02-08 13:46:26,796 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:46:26,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:28,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:28,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267179215] [2025-02-08 13:46:28,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267179215] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:46:28,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222377744] [2025-02-08 13:46:28,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:46:28,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:28,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:46:28,415 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) [2025-02-08 13:46:28,418 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 [2025-02-08 13:46:29,021 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 565 statements into 2 equivalence classes. [2025-02-08 13:46:29,354 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 565 of 565 statements. [2025-02-08 13:46:29,354 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:46:29,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:29,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 13:46:29,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:46:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:29,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:46:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:46:30,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222377744] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:46:30,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:46:30,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 21 [2025-02-08 13:46:30,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876017790] [2025-02-08 13:46:30,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:46:30,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 13:46:30,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:30,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 13:46:30,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-02-08 13:46:30,413 INFO L87 Difference]: Start difference. First operand 2035 states and 2838 transitions. Second operand has 21 states, 21 states have (on average 34.476190476190474) internal successors, (724), 21 states have internal predecessors, (724), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:30,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:30,850 INFO L93 Difference]: Finished difference Result 2040 states and 2843 transitions. [2025-02-08 13:46:30,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 13:46:30,851 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 34.476190476190474) internal successors, (724), 21 states have internal predecessors, (724), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 565 [2025-02-08 13:46:30,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:30,859 INFO L225 Difference]: With dead ends: 2040 [2025-02-08 13:46:30,859 INFO L226 Difference]: Without dead ends: 2035 [2025-02-08 13:46:30,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1145 GetRequests, 1115 SyntacticMatches, 11 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-02-08 13:46:30,861 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 4298 mSDsluCounter, 3506 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4324 SdHoareTripleChecker+Valid, 3807 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:30,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4324 Valid, 3807 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:46:30,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2025-02-08 13:46:30,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 2035. [2025-02-08 13:46:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 2000 states have (on average 1.3875) internal successors, (2775), 2003 states have internal predecessors, (2775), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:46:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2835 transitions. [2025-02-08 13:46:30,913 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2835 transitions. Word has length 565 [2025-02-08 13:46:30,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:30,914 INFO L471 AbstractCegarLoop]: Abstraction has 2035 states and 2835 transitions. [2025-02-08 13:46:30,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 34.476190476190474) internal successors, (724), 21 states have internal predecessors, (724), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:46:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2835 transitions. [2025-02-08 13:46:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2025-02-08 13:46:30,934 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:30,934 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:30,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 13:46:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:46:31,135 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:31,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:31,136 INFO L85 PathProgramCache]: Analyzing trace with hash -337673172, now seen corresponding path program 3 times [2025-02-08 13:46:31,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:31,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922947453] [2025-02-08 13:46:31,137 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 13:46:31,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:31,386 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 799 statements into 12 equivalence classes. [2025-02-08 13:46:31,483 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 82 of 799 statements. [2025-02-08 13:46:31,483 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 13:46:31,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3506 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2868 trivial. 0 not checked. [2025-02-08 13:46:31,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:31,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922947453] [2025-02-08 13:46:31,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922947453] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:31,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:31,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:46:31,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877020551] [2025-02-08 13:46:31,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:31,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:46:31,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:31,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:46:31,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:46:31,790 INFO L87 Difference]: Start difference. First operand 2035 states and 2835 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-02-08 13:46:32,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:32,421 INFO L93 Difference]: Finished difference Result 4379 states and 6054 transitions. [2025-02-08 13:46:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:46:32,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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 799 [2025-02-08 13:46:32,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:32,428 INFO L225 Difference]: With dead ends: 4379 [2025-02-08 13:46:32,429 INFO L226 Difference]: Without dead ends: 2435 [2025-02-08 13:46:32,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:46:32,432 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 13 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:32,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 792 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:46:32,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2025-02-08 13:46:32,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2395. [2025-02-08 13:46:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 2360 states have (on average 1.3580508474576272) internal successors, (3205), 2363 states have internal predecessors, (3205), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:46:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 3265 transitions. [2025-02-08 13:46:32,494 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 3265 transitions. Word has length 799 [2025-02-08 13:46:32,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:32,495 INFO L471 AbstractCegarLoop]: Abstraction has 2395 states and 3265 transitions. [2025-02-08 13:46:32,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-02-08 13:46:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 3265 transitions. [2025-02-08 13:46:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2025-02-08 13:46:32,504 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:32,505 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:32,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 13:46:32,505 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:32,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:32,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1976866352, now seen corresponding path program 1 times [2025-02-08 13:46:32,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:32,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093433604] [2025-02-08 13:46:32,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:32,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 809 statements into 1 equivalence classes. [2025-02-08 13:46:33,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 809 of 809 statements. [2025-02-08 13:46:33,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:33,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 3208 trivial. 0 not checked. [2025-02-08 13:46:34,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:34,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093433604] [2025-02-08 13:46:34,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093433604] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:34,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:34,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 13:46:34,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331530390] [2025-02-08 13:46:34,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:34,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:46:34,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:34,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:46:34,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:46:34,303 INFO L87 Difference]: Start difference. First operand 2395 states and 3265 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 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) [2025-02-08 13:46:34,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:34,765 INFO L93 Difference]: Finished difference Result 4773 states and 6535 transitions. [2025-02-08 13:46:34,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:46:34,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 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 809 [2025-02-08 13:46:34,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:34,774 INFO L225 Difference]: With dead ends: 4773 [2025-02-08 13:46:34,774 INFO L226 Difference]: Without dead ends: 2515 [2025-02-08 13:46:34,778 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 [2025-02-08 13:46:34,778 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 14 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:34,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 952 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:46:34,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2025-02-08 13:46:34,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2485. [2025-02-08 13:46:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2450 states have (on average 1.3612244897959183) internal successors, (3335), 2453 states have internal predecessors, (3335), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:46:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3395 transitions. [2025-02-08 13:46:34,833 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3395 transitions. Word has length 809 [2025-02-08 13:46:34,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:34,834 INFO L471 AbstractCegarLoop]: Abstraction has 2485 states and 3395 transitions. [2025-02-08 13:46:34,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 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) [2025-02-08 13:46:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3395 transitions. [2025-02-08 13:46:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2025-02-08 13:46:34,843 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:34,843 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:34,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 13:46:34,843 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:34,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:34,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1093924700, now seen corresponding path program 1 times [2025-02-08 13:46:34,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:34,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348208815] [2025-02-08 13:46:34,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:34,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:35,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 819 statements into 1 equivalence classes. [2025-02-08 13:46:35,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 819 of 819 statements. [2025-02-08 13:46:35,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:35,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 3262 trivial. 0 not checked. [2025-02-08 13:46:36,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:36,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348208815] [2025-02-08 13:46:36,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348208815] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:36,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:36,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:46:36,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658617029] [2025-02-08 13:46:36,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:36,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:46:36,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:36,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:46:36,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:46:36,170 INFO L87 Difference]: Start difference. First operand 2485 states and 3395 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2025-02-08 13:46:36,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:36,531 INFO L93 Difference]: Finished difference Result 4861 states and 6653 transitions. [2025-02-08 13:46:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:46:36,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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 819 [2025-02-08 13:46:36,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:36,538 INFO L225 Difference]: With dead ends: 4861 [2025-02-08 13:46:36,538 INFO L226 Difference]: Without dead ends: 2515 [2025-02-08 13:46:36,541 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 [2025-02-08 13:46:36,541 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 8 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:36,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 819 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:46:36,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2025-02-08 13:46:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2025-02-08 13:46:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2480 states have (on average 1.3568548387096775) internal successors, (3365), 2483 states have internal predecessors, (3365), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:46:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3425 transitions. [2025-02-08 13:46:36,604 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3425 transitions. Word has length 819 [2025-02-08 13:46:36,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:36,604 INFO L471 AbstractCegarLoop]: Abstraction has 2515 states and 3425 transitions. [2025-02-08 13:46:36,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2025-02-08 13:46:36,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3425 transitions. [2025-02-08 13:46:36,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2025-02-08 13:46:36,613 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:36,614 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:36,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 13:46:36,614 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:36,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:36,615 INFO L85 PathProgramCache]: Analyzing trace with hash 787345220, now seen corresponding path program 1 times [2025-02-08 13:46:36,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:36,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673558256] [2025-02-08 13:46:36,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:36,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 819 statements into 1 equivalence classes. [2025-02-08 13:46:37,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 819 of 819 statements. [2025-02-08 13:46:37,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:46:37,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:46:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 3226 trivial. 0 not checked. [2025-02-08 13:46:39,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:46:39,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673558256] [2025-02-08 13:46:39,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673558256] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:46:39,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:46:39,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 13:46:39,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622998537] [2025-02-08 13:46:39,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:46:39,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:46:39,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:46:39,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:46:39,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:46:39,005 INFO L87 Difference]: Start difference. First operand 2515 states and 3425 transitions. Second operand has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 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) [2025-02-08 13:46:39,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:46:39,719 INFO L93 Difference]: Finished difference Result 5026 states and 6865 transitions. [2025-02-08 13:46:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:46:39,719 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 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 819 [2025-02-08 13:46:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:46:39,727 INFO L225 Difference]: With dead ends: 5026 [2025-02-08 13:46:39,728 INFO L226 Difference]: Without dead ends: 2655 [2025-02-08 13:46:39,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 13:46:39,731 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 31 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:46:39,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1362 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:46:39,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2025-02-08 13:46:39,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2595. [2025-02-08 13:46:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2595 states, 2560 states have (on average 1.353515625) internal successors, (3465), 2563 states have internal predecessors, (3465), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:46:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2595 states and 3525 transitions. [2025-02-08 13:46:39,792 INFO L78 Accepts]: Start accepts. Automaton has 2595 states and 3525 transitions. Word has length 819 [2025-02-08 13:46:39,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:46:39,792 INFO L471 AbstractCegarLoop]: Abstraction has 2595 states and 3525 transitions. [2025-02-08 13:46:39,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 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) [2025-02-08 13:46:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3525 transitions. [2025-02-08 13:46:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2025-02-08 13:46:39,801 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:46:39,802 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:46:39,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-08 13:46:39,802 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:46:39,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:46:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash -340269012, now seen corresponding path program 1 times [2025-02-08 13:46:39,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:46:39,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730049477] [2025-02-08 13:46:39,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:46:39,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:46:40,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 829 statements into 1 equivalence classes.